cocoons
n.
茧，蚕茧( cocoon的名词复数 );
v.
茧，蚕茧( cocoon的第三人称单数 );
例句:
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The silkworms have gone into the bushes to spin their cocoons.
蚕上山了.
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Tufts collaborators began with silkworm cocoons from Japan or raw silk fiber from Brazil.
来自MSN
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In two more days the " little darlings " would spin their cocoons.
再得两天, “ 宝宝 ” 可以上山.
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Silkworms make cocoons.
蚕做茧。
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They looked like pairs of butterfly cocoons lined up in a row.
来自NEWYORKER
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They will feed for a few weeks before pupating in cocoons in the soil around the base of the plant or in nearby mulch.
来自BBC