Iec
[化] 离子交换色谱法
🗣️ 情景例句
This is true.
这倒是事实。
Alone, he brooded over his mistake.
她常常独自沉思自己的过失。
I'm usually just using the search engines to look up information.
我通常只是用搜索引擎找一些资料。