The pupa case is attached to trees or in cracks and stays there all winter.

Purpose To extract and to analyze the oil ingredients Silkworm pupa.

目的提取蚕蛹油,测定主要成分的含量.

Its adult stage , taking the fourth generation as the example , lasts 6.25 ( 3-14 ) , egg , 4.64 ( 4-6 ), larva, 11.92 ( 10-15 ) and pupa , 13.83 ( 11-18 ) days.

幼虫:11.92 ( 10—15 ) 天;蛹:13.83 ( 11—18 ) 天.

The insect stows tomorrow in the egg and pupa.

昆虫把明天蕴藏在卵蛹之中.

Silent transformation in the way , the pupa into a butterfly.

在无声之中蜕变, 蛹变成蝴蝶.

In their pupa stage, they resemble broken twigs.

在蛹的阶段, 它们象断开的小枝条.

It's a strange -- looking creature we see emerging from the pupa and abovewater's surface.

这个面目奇特的家伙从水面下破蛹而出.

They are egg, young ( wormlike form ) , pupa and adult ( winged form ) .

它们是卵 、 幼虫 、 蛹、 成虫.

The red wasps were already getting busy, building their nests and feeding the young pupae inside.

当时这群红色黄蜂已经在忙著筑巢和喂食巢中的蜂蛹了.

The chitosan extracted from the Antheraea pernyi puparium is a comprehensive utilization product with great value.

利用柞蚕蛹壳制取的壳聚糖是柞蚕副产物综合利用的高附加值产品.

Pupation takes place abou the middle part of April.

四月中旬开始化蛹,蛹期十八至二十天.

The teacher supposed that the absent pupil was ill, but some of his friends suspected he was playing truant.

老师猜想那个没到的学生是病了, 但他的一些朋友怀疑他是逃学.

Be a pupil before you become a teacher.

先做学生,后做先生.

The painting is by a pupil of Rembrandt.

这幅画为伦勃朗的一位弟子所作。

Her pupils were dilated.

她的瞳孔扩大了。

She now teaches only private pupils.

她现在只当私人教师。

The pupil on the right is dilated and does not react to light.

右瞳孔散大,对光反应消失.

However, market shares rose after a row, the content can appear magnified, Pupil differences increased significantly.

不过股大盘在经过连续上扬之后, 量能出现放大, 多空分歧明显增加.

The pupil joined the two points by a straight line.

那个小学生用直线把两点连接起来.

Like teacher, like pupil.

有其师必有其徒.

We are very proud that a pupil from our school has won the prize.

我们学校的一个小学生得了奖,我们感到很自豪.