您要查找的是不是：
- 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。
- cocoon wastewater 汰头废水
- 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。
- 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。
- Doctors cocoon ed the patient in blankets. 医生们把病人紧包在毯子里。
- The huge outlet debouched the wastewater. 大出口排出废水。
- Fibroin is a component of cocoon filament. 丝素是茧丝的成分之一。
- 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。
- Do you operate a wastewater treatment plant? 是否具有废水处理工厂？
- A man found a cocoon of a butterfly. 一个人发现一个蝴蝶结成的茧。
- Rubbish can be used as a sorbet of wastewater. 垃圾有可能作为废水中有机物的吸附材料来使用。
- Families cocoon around the TV set most evenings. 好多家庭大部分晚上都围在电视机前看电视。
- She loves to stay at home and cocoon. 她喜欢待在家中，与外界隔绝。
- Products: Cocoon, row silk, silk quilt. 主要产品：蚕茧、白厂丝、蚕丝被。
- Membrane bioreactor is one of the new wastewater treatment systems. 摘要膜生物反应器是一种新型水处理系统。
- In Part2, handling the oily wastewater with depth oxidize method. 第二部分采用深度氧化法研究对含油废水处理情况。
- Do not allow to escape into waters, wastewater or soil. 不允许流入水源,废水或土地。
- Silk reeling is done in the silkworm cocoon workshop. 繅丝主要是先经过茧部车间。
