Iec
[化] 离子交换色谱法
🗣️ 情景例句
but when I received the letter
但是当我收到那封信
Kate is smarter than I.
凯特比我聪明。
Don't drop it!PENNY: Don't put there, Sam.Put it here, on this shelf.
别放在那儿，萨姆。放在这儿，这个架子上。