pappus

英式音标：['pæpəs]

美式音标：['pæpəs]

词义：

n.

冠毛；

变形

复数：pappi

英英释义

pappus[ 'pæpəs ]

n.calyx composed of scales or bristles or featherlike hairs in plants of the Compositae such as thistles and dandelions

用法：

权威例句

Pappus in optical space

Bol quasi-fields and Pappus' theorem

The defensive role of pappus in heads of Compositae

Pappus Part Number in Annual Species of Microseris (Compositae, Cichoriaceae)

Commentaires de Pappus et de Théon d'Alexandrie sur l'Almageste. Tome III

Inheritance of Seed Weight, Pappus, and Striped Hull in Safflower Species1

The Commentary of Pappus on Book X of Euclid's Elements by Gustav Junge; William Thomson

Within and among plant variation in seed mass and pappus size in Trago...

Four additive genes determining pappus part numbers in Microseris annual hybrid C34 ( Asteraceae/Lactuceae )

Genetic and Nongenetic Factors Influencing Deviations from Five Pappus Parts in a Hybrid between Microseris douglasii and M. bigelov...

同义词：aigrette

造句：

1. There's a bench under a poplar tree.

白杨树下有一条长凳.

来自《简明英汉词典》

2. Crows cawed from the poplar trees overhead.

白杨树上的乌鸦在上空呱呱乱叫.

来自《简明英汉词典》

3. The white poplar is no ordinary tree . Let me sing its praises.

白杨树实在是不平凡的, 我赞美白杨树!

来自汉英文学 - 散文英译

4. After a while, we found a shady place under some poplar trees.

过一会儿, 我们在几棵白杨树下找到一块荫凉地.

来自辞典例句

5. Daylight was dying, the moon rising, gold behind the poplar!

天色快黑了, 月亮正在升起, 白杨树后面透出一片淡黄!

来自辞典例句

[ poplar 造句 ]