seedbed management苗床管理
seedbed frame苗床保护框
Seedbed Digger苗床挖掘机
seedbed refning播前松土
seedbed system育苗方式
level seedbed平床
ridge seedbed起垄苗床
Lime seedbed石灰苗床
seedbed making做播床
N-COUNT（可数名词） A seedbed is an area of ground, usually with specially prepared earth, where young plants are grown from seed. 苗床
N-COUNT（可数名词） You can refer to a place or a situation as a seedbed when it seems likely that a particular type of thing or person will develop in that place or situation. 温床 [oft N 'for/of' n]
TV is using radio as a seedbed for ideas.
电视正从广播节目中获取灵感。