Pdms
等离子体解吸质谱法
🗣️ 情景例句
to open the building for us on the next four weekends.
在往后四个周末开放那座建筑。
Why are you so happy?
你为什么这样快乐？
He said, Pauline is typing letters. She can't speak to you now!
他说：“波淋正在打信，她现在不能同你讲话！”