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The mulberry silkworm belongs to Bombycidae. It is an insect of complete metamorphosis. There are four stages of its life: egg, larva, pupa and moth.
桑蚕属鳞翅目蚕蛾科，是一种完全变态昆虫，一生经历卵、幼虫（蚕）、蛹、成虫（蛾）四个阶段。
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It was when she married a Welshman and started a family that her metamorphosis was complete.
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The metamorphosis, overseen by the Automobile Club de Monaco (ACM), takes two months to complete and calls on the expertise of 200 construction workers to build 1, 100 tonnes of grandstands, 900 tonnes of pit garages and 21 miles of safety barriers.
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