observation nursing unit的用法和样例：
例句
- The patient is still in danger and has been sent to the probationary ward for further observation.
病人还没有脱离危险，已经被送进观察室进行观察。 - As Mason and the other agents watch from the observation room, Jack mumbles something to Penticoff that can't be heard by Mason.
梅森和其他探员在观察室里看着他俩，杰克向彭蒂科夫嘀咕了几句，梅森听不到他说的是什么。
