Sfc
[化] 超临界流体色谱法
🏥 医学释义
脊髓液细胞计数
🗣️ 情景例句
I don't know. The baby-sitter says she has a stomachache,
我不知道。临时保姆说她肚子疼.
You have to be there half an hour before departure time.
你要在起飞前半小时到那里。
Hi! Nice to meet you, Ling Feng!
很高兴见到你，。