Quadrupole mass spectrometer(qms)
[化] 四极质谱仪
🧩 词语组成解析
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;
🗣️ 情景例句
and he can answer any questions.
他也可以回答任何问题。
This is my second trip to the United States, and I really enjoy staying here.
这是我第二次美国之行,我很喜欢这里。
He is now satisfied merely to try to stand up, but as soon as he does so a porpoise knocks him flat.
此时的海龟,只要能站起来就满足了,但它刚站起来,就被一只海豚击倒。
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