Multicavity
多室, 多槽
🗣️ 情景例句
Three months ago.
三个月之前。
Could you tell me the cost of production per unit?
请你告诉我每件成品的生产成本好吗？
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某种作用。