chrysalis造句

A larva metamorphose into a chrysalis and then into a butterfly.
幼虫变为蛹,然後再变成蝴蝶.

A larva metamorphoses into a chrysalis and then into a butterfly.
幼虫变为蝶蛹,再变成蝴蝶.

Silkworm chrysalis is the important raw material of silk industry.
桑蚕茧是丝绸工业的重要原料.

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