下茧：有严重疵点，不能缫丝或很难缫正品生丝的茧。
在他的行为先导下，中国的女性作家作为一个不容忽视的群体力量跨入文坛，从而掀起了中国女性文学的破茧而出。
Under his leading, the Chinese feminine writers appeared in the literature field as a significant group power, and led the appearance of the Chinese feminine literature.
茧衣在酸性条件下含有大量正电荷，对阴离子染料具有很好的吸附作用。
Cocoon floss contains lots of positive charges in acid solution, so it can adsorb anion dye at acid condition theoretically.
这个人实在看得心疼，决定帮忙一下蝴蝶：他拿来一把剪刀，留意翼翼地将茧破开。
Thee man felt distressed and decided to help the butterfly: he took a pair of scissors and cleft the cocoon carefully.
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