the commercially bred hairless white caterpillar of the domestic silkworm moth which spins a cocoon that can be processed to yield silk fiber; the principal source of commercial silk
larva of a saturniid moth; spins a large amount of strong silk in constructing its cocoon
例句
用作名词(n.)
Silkworms make cocoons.蚕做茧。
The silkworms are producing well.这些蚕的吐丝量很大。
Silkworm culture is practised in order to get silk.养蚕是为了得到蚕丝。
