Quadrupole mass spectrometer
[机] 四极质谱仪
🧩 词语组成解析
[化] 四极
mass
[mæs]
n. 大量，大多;块，堆，团;[物理学]质量;弥撒曲;
vt.& vi. （使）集中，聚集;
adj. 群众的;大规模的;整个的;集中的;
vi. 聚集起来;
vt. 使集合;
n. 分光计, 谱仪\\n[化] 分光计; 分光仪
🗣️ 情景例句
What's wrong with wanting to be on the school board?
想进入联合校董会有什么错？
How long will the sale last?
折价销售多久？
As the neighbours complained of the noise, my husband spent weeks training him to press his paw on the latch to let himself in.
由于邻居们对狗叫很有意见，所以我丈夫花了几个星期的时间训练它用脚爪按住门闩把自己放进来。