upsilon

英式音标：[ʌpˈsaɪlən]

美式音标：[ˈʊpsɪlɑn]

概况：

n. 希腊语的第20个字母

词义：

n.

希腊语的第20个字母；

英英释义

upsilon[ ju:p'sailən ]

n.the 20th letter of the Greek alphabet

用法：

权威例句

A fit of upsilon and charmonium spectra

B decays in the upsilon expansion

Search for Invisible Decay of the $\Upsilon(1S)$

Observation of sequential Upsilon suppression in PbPb collisions

Inelastic photoproduction of J/psi and UPSILON by gluons

QCD corrections to J/psi and Upsilon production at hadron colliders

Measurement of the Branching Fraction of {upsilon}(4S){yields}B{sup 0}B{sup 0}

A study of the radiative cascade transitions between the upsilon-prime and upsilon resonances

Measurement of the polarization of the upsilon(1S) and upsilon(2S) states in pp collisions at square root[s]=1.96 TeV

Measurement of the Polarization of the {upsilon}(1S) and {upsilon}(2S) States in pp Collisions at {radical}(s)=1.96 TeV

英语词源：

upsilon (n.)

20th letter of the Greek alphabet, 1640s, from Greek u psilon, literally "a mere (or bare) 'u;' " so called in later Greek in reference to its sound. The exact reason is variously explained, but it seems to have had something to do with distinguishing it from diphthongs.

造句：

1. I let the horse drop his head to crop the spring grass.

我让马低下头啃吃春天的青草。

来自柯林斯例句

2. The windows overlooked a lawn of tall waving grass.

窗户外边是一块草地，高高的草随风摇摆。

来自柯林斯例句

3. Mr Zuma had a solid reputation as a grass roots organiser.

作为一个民众的组织者，祖玛先生名声甚佳。

来自柯林斯例句

4. The most recent tenants hadn't even cut the grass.

上一拨房客连草都没有修剪。

来自柯林斯例句

5. You have to join the party at grass-roots level.

你得参加基层党组织。

来自柯林斯例句

[ grass 造句 ]