- breeding of silkworm eggs
- 保育: child care; child welfare
- 蚕种保护: preservation of silkworm eggs
- 品种保育: preservation of authorized race
- 蚕种: silkworm egg
- 保育: child care; child welfare◇保育箱 incubator; 保育芽 nurse; 保育员 child-care worker; nurse; 保育院 nursery school; nursery; orphanage
关注微信公众号:chachacidian,回复:蚕种保育,即可在微信中查询翻译