Iec
[化] 离子交换色谱法
🗣️ 情景例句
Good-bye, Mr. Carlson. Thanks.
再见， Carlson先生。谢谢。
The pressuer of work was too great for him.
工作压力使他承受不了。
Nuts? Delicious! This is the nicest of all!
有果仁？味道很好！这是所有月饼中最好的！