hot bed culture [农学] [园艺] 温床栽培
notch-bar hot bed 齿条式热床
rail-type hot bed 轨式温床
electric hot bed 电热温床
stacking hot bed 带收集装置的冷床
raise seedling in hot bed [农学] [园艺] 温床育苗
notch bar hot bed 齿条式热床
type hot bed 轨式温床
steam hot bed 热汽温床
N-COUNT If you say that somewhere is a hotbed of an undesirable activity, you are emphasizing that a lot of the activity is going on there or being started there. (不良活动的)温床 [with supp, usu N 'of' n] [强调]
...a state now known worldwide as a hotbed of racial intolerance.
...一个现已举世皆知的、作为种族歧视温床的国家.
Steel coated with a layer of zinc. Usually processed by dipping the steel into a hot bed of zinc.
涂装有一层锌层的钢板，一般是在热镀锌槽中浸镀。
Another safety device is for your own part to ensure that nothing you say or do could become a hot bed for such dangerous deep resentment.
另一个安全的措施，就是要确保你的任何语言和行为都不要成为滋养这种危险的、深至于心的怨恨生长的温床。
The river bed dried up in the hot summer.
盛夏时节，河床干涸了。
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