Iec
[化] 离子交换色谱法
🗣️ 情景例句
My car just got wrecked, it's not the happiest day of my life.
我的车刚坏掉了，今天真不好过。
I can't believe his story.
我无法相信他的说法。
Red Star over China
“《西行漫记》”。