is
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v. 是（be的三单形式）
n. 存在
vt.& vi.
是（be的三单形式；
n.
存在；
变形
过去式：was
英英释义
be[ iz, z, s ]
n.a light strong brittle grey toxic bivalent metallic element
同义词：berylliumgluciniumatomic number 4
v.
have the quality of being; (copula, used with an adjective or a predicate noun)
be identical to; be someone or something
occupy a certain position or area; be somewhere
"What is behind this behavior?"
have an existence, be extant
同义词：exist
happen, occur, take place
be identical or equivalent to
同义词：equal
form or compose
"These constitute my entire belonging"
同义词：constituterepresentmake upcomprise
work in a specific place, with a specific subject, or in a specific function
同义词：follow
represent, as of a character on stage
同义词：embodypersonify
spend or use time
"I may be an hour"
have life, be alive
同义词：live
to remain unmolested, undisturbed, or uninterrupted -- used only in infinitive form
"let her be"
be priced at
同义词：cost
词组短语
which is哪个是；从句的表达形式之一
that is即；就是说；换言之
he is他是…
what is什么是
who is谁是
she is她是
is required是必须的
as it is实际上；事实上；既然如此
is coming正过来
is likely to有可能…
as is[口]照原来的样子；本来就是这样；不予改变
what it is原因；事实真相；理由
is equal to等于
what is more而且
there is no doubt毫无疑问
tomorrow is another day明天又是崭新的一天
nothing is impossible没有什么不可能
what love is n. 爱是什么（美国喜剧）
here it is在这里；给你；给你看看
time is money时间就是金钱；一寸光阴一寸金
双语例句
用作动词(v.)
Spain is our favorite holiday spot.
西班牙是我们喜欢的度假地点。
The boy is 150 centimeters tall.
这个男孩有150厘米高。
There is no doubt about it.
那是毫无疑问的。
A friend in need is a friend indeed.
患难之交才是真朋友。
Pain past is pleasure.
过去的痛苦即是快乐。
The room is 15 feet in length and 10 feet in breadth.
这房间长15英尺，宽10英尺。
权威例句
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Chapter 5 – How Information Gives You Competitive Advantage: The Information Revolution Is Transforming the Nature of Competition
is (v.)
third person singular present of be, Old English is, from Germanic stem *es- (cognates: Old High German, German, Gothic ist, Old Norse es, er), from PIE *es-ti- (cognates: Sanskrit asti, Greek esti, Latin est, Lithuanian esti, Old Church Slavonic jesti), from PIE root *es- "to be." Old English lost the final -t-. See be. Until 1500s, pronounced to rhyme with kiss. Phrase it is what it is, indicating resigned acceptance of an unpleasant but inevitable situation or circumstance about which nothing positive really can be said, is attested by 2001.
1. This is what we support.
这是我们所拥护的。
《新英汉大辞典》
2. What is to become of me if you go away?
如果你走的话，我的结果将是怎样呢?
《21世纪大英汉词典》
3. This is all I have.
这就是我的全部家当。
《新英汉大辞典》
4. I agree that she is the ablest of us.
我承认她是我们之中最能干的一个。
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5. He is the man of all others for the job.
他是所有人之中最适于干这工作的人。
《新英汉大辞典》
6. Jack is her only offspring.
杰克是她唯一的后代。
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7. Our world is but a small part of the cosmos.
我们的世界仅仅是宇宙的一小部分而已。
www.eeeen.com
8. It is an unexpected setback in her fortunes.
这是她好运中的一次意外的挫折。
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9. She is not only a teacher of music, she composes.
她不仅是一位音乐教师，而且也会作曲。
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10. English poetry is one of their great heritages.
英国诗歌是他们的伟大遗产之一。
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11. He is the only poet in this country that deserves the name.
他是这个国家唯一的一位名副其实的诗人。
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12. Sweat is an excretion.
汗是一种排泄物。
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13. This is an unusual sign.
这是一种不寻常的迹象。
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14. This is the basis on which our bilateral relations can and should continue to develop.
这是两国关系应得到继续发展，并可能得到继续发展的基础。
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15. This is his calligraphy.
这是他的墨迹。
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16. This is exactly what we think.
这正是我们的想法。
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17. There is only one bed in the room, so one of them has to improvise on the carpet.
房间里只有一张床，所以他们中得有一人必须凑合睡在地毯上。
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18. Bamboo is light because it is hollow.
竹子很轻，因为它中间是空的。
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19. There is need to check the accuracy of these figures.
有必要核对一下这些数字的精确性。
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20. The hotel is now open to guests.
这个旅馆现在已向客人开放。
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21. This is one of the mistakes.
这是其中的一个错误。
《新英汉大辞典》
22. This is what I gathered from his speech.
这是我从他说的话中推断出来的。
《21世纪大英汉词典》
23. You should pal up with him. He is the man to be trusted.
你应该和他交朋友，他是一个可以信赖的人。
《21世纪大英汉词典》
24. This is my pen.
这是我的钢笔。
《21世纪大英汉词典》
25. What! Is that true?
啊!那是真的吗？
《新英汉大辞典》
26. This is my fault.
这是我的过错。
《新英汉大辞典》
27. She is the youngest of us three.
她是我们三人中间最年轻的。
《新英汉大辞典》
28. I calculate he is wrong in saying that.
我认为他说的那句话是错误的。
《21世纪大英汉词典》
29. I insist that he is innocent.
我坚持认为他是无罪的。
《21世纪大英汉词典》
30. It is a luxury to me.
它对我来说是一种奢侈。
《新英汉大辞典》
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