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
造句
用作名詞(n.)
Silkworms make cocoons. 蠶做繭。
The silkworms are producing well. 這些蠶的吐絲量很大。
Silkworm culture is practised in order to get silk. 養(yǎng)蠶是為了得到蠶絲。