Rns
[医][=reference normal serum]参考正常血清
🗣️ 情景例句
This job is no picnic.
这份工作很累人。
Here's no necessary.
我看没这必要。
He used to sleep during the day and work at night, quite unaware of the fact that he had become the ghost of Endley.
白天睡觉，夜里出来干活，一点不知道自己已成了恩得利家场的活鬼。