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[化] 三节四极质谱仪
🗣️ 情景例句
John isn't here today. That figures, he looked very sick yesterday.
约翰今天没有来，怪不得，他昨天就好像不太舒服。
That's too late.
那太迟了。
Anthropology was by definition impossible,
那么人类学按其定义来说就无法存在。