bain marie什么意思?Is there agood deal of steam coming from the

ain marie：
A large pan containing hot water in which smaller pans may be set to cook food slowly or to keep food warm.
双层蒸锅：一种装有热水的大锅,小锅可以放在里面慢慢地蒸食物或保持食物温热
那蒸锅里有没有冒很多蒸汽出来?
changed不知道他想说什么……