Background mass spectrum
[化] 本底质谱图
🧩 词语组成解析
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;
🗣️ 情景例句
I'll tell you the time and date of the next TOPS meeting.
我要告诉你 TOPS下次聚会的时间。
I asked him if he spoke English.
我问他他是否说英语。
feel that they have not received adequate treatment unless they are able to carry home with them some tangible remedy in the shape of a bottle of medicine,
觉得没算得到充分的治疗，如果不能带回一些看得见、摸得着的药物回家的话，如一瓶药水、