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- A caterpillar must pass through the cocoon stage to become a butterfly. 毛毛虫必须经过茧的阶段才能变成蝴蝶。
- perforated cocoon 穿孔茧
- Sheets of postage stamps are perforated. 一张张的邮票都打过接缝孔。
- The target was perforated by bullets. 靶子上全是子弹打穿的孔。
- The children tore the cocoon open to see if there was a pupa. 孩子们撕开蚕茧看看里面有没有蛹。
- Having no opening; not perforated. 不开口的，不穿孔的
- A cocoon is a kind of silk covering made by an insect. 蚕茧是由昆虫制造的一种由丝组成的外包层。
- A corrugated or perforated conducting plate in a storage battery. 极板网栅，蓄电池电极板蓄电池中呈波纹状或有孔的导电板
- Doctors cocoon ed the patient in blankets. 医生们把病人紧包在毯子里。
- In perforated continuous forms paper, the interval between cuts. 在穿孔的连续格式纸上，割线之间的间距。
- Fibroin is a component of cocoon filament. 丝素是茧丝的成分之一。
- A perforated nozzle for spraying water from a hose or sprinkling can. 莲蓬式喷嘴一种使水从管子或喷水壶里喷洒出来的有孔的喷嘴
- The broken ribs perforated into his lung. 折断的肋骨刺穿了他的肺。
- The nail perforated her coat and left an ugly rip. 钉子穿透她的上衣，留下一块难看的破绽。
- She is wrapped in a cocoon of blue silk. 她被包裹在蓝色丝绸的软罩里。
- The beautiful Butterfly emerged from the cocoon. 美丽的蝴蝶自茧中出现。
- Mass Cocoon. As ectoplasmic cocoon, but bigger. 集体星质茧：与星质茧相同，不过更大。
- The worms have perforated the mucosa to suck blood. 虫体钻入粘膜吸血。
- A man found a cocoon of a butterfly. 一个人发现一个蝴蝶结成的茧。
- The bullet perforated his skull. 子弹射穿了他的脑袋。
