蚕孵出后食桑叶.Silkworms are fed mulberry leaves after they have hatched.他们靠养蚕等增加了收入.They increased their income by raising silkworms and so on.养蚕是为了得到蚕丝.Silkworm culture is practised in order to get silk....

“蚕”的拼音为：cán...

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