Rfms
[化] 射频质谱仪
🗣️ 情景例句
Oh, it's so exciting, isn't it, Richard?
噢 ，这太令人兴奋了 ，是不是 ，Richard？
What are friends for?
朋友是做什么用的？
I have known very few writers, but those I have known,
我所认识的作家寥寥无几，然而凡是我所认识