Nrs
abbr. normal rabbit serum 正常兔血清; numbers 数量
🗣️ 情景例句
I really appreciate it, Marilyn.
真的很感谢 Marilyn。
I'll further my study.
我想继续深造。
'He had travelled only seven miles across the Channel when his engine failed and he was forced to land on sea.
但他只在海峡上空飞行7英里，引擎就发生了故障，他只好降落在海面上。