Qms
[化] 四极质谱仪
🗣️ 情景例句
It's a bargain.
真是大廉售。
Borrowed garments never fit well.
借来的衣服不合身。
Many of the stars cannot be seen because they are too far away.
许多星星我们之所以看不见，是因为它们离我们太远。