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[化] 三节四极质谱仪
🗣️ 情景例句
And you can both benefit financially.
你们俩都获得金钱上的利益。
How long will you be in?
你将进去多久？
I'm afraid he's out at the moment. He's at the cinema. Can I take a message?
恐怕他这会儿不在家。他在电影院。我可以给你捎个信儿吗？