桑蚕

例句：

1. 1. The silk industry relies heavily onthe production of silkworms.
   丝绸产业严重依赖蚕丝的生产。
2. 2. Theancient Chinese were skilled inweaving silk with silkworms.
   古代中国人擅长用蚕丝织造丝绸。
3. 3. The silkworm'slife cycle is fascinating to study because itinvolves such a complex process.
   蚕的生命周期非常有趣，因为它涉及一个复杂的过程。