Cah
[医][=carbonic anhydrase]碳酸酐酶
🗣️ 情景例句
What about the rings?
戒指怎么办？
You know the proverb, Smile and the world smiles with you, cry and you cry alone.
要知道有句格言“微笑，世界与你同欢乐；哭泣，你只能独自悲伤”。
It's a pleasure. What time is it by your watch, please?
不客气。请问，你的表几点了？