She collected a number of cocoons and sat down to have a rest.
她采了许多茧，然后坐下来休息。
First cocoons are made into silk.
首先把蚕茧变成了丝。
It is made from silkworm cocoons.
它是由蚕茧制成的。
Silkworms make cocoons from which we get silk.
蚕做茧，我们再从茧取得丝。
So people like the idea of nests and cocoons, too.
因此人们也喜欢筑巢和作茧这种做法。
Silkworms spin silk and wrap themselves in cocoons.
蚕吐丝并把自己包在茧里。
Normally one silk shirt needs no less than 3000 cocoons.
在一般情况下一件丝绸衬衫需要多达3000个茧。
Today COCOONs are sold in many countries all over the world.
今天茧在全世界的许多国家被卖。
Some insects build cocoons around themselves for protection while they grow and change.
有些昆虫在自己的周围建茧，同时为保护自己的成长和变化。
Some insects build cocoons around themselves for protection while they grow and change.
有些昆虫在自己的周围建茧，同时为保护自己的成长和变化。
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