Massenfilter
[机] 四极质谱仪
🗣️ 情景例句
these photos in your performing arts section.
你这些表演艺术中心部分的照片。
A wise man thinks all that he says, a fool says all that he thinks.
智者思其所言，愚者言其所思。
All that afternoon, I jumped and sang and did all kinds of things.
那天整个下午我跳呀，唱呀，做出各种样子逗她。