Rectification under vacuum
[化] 真空精馏; 减压精馏
🧩 词语组成解析
prep. 在…下面,在表面之下;在…的假定表面或掩饰下;少于,小于;在…情况下;
adv. 在下面;少于;在水下;在昏迷中;
adj. 较低的,下面的;
n. 真空;空白;空虚;清洁;
v. 用真空吸尘器清扫;
vac空+uum表名词 →空虚;真空
🗣️ 情景例句
You made a tough decision.
你做了一个困难的决定。
If you're hungry, we can eat dinner now.
如果你饿了,我们现在就去吃饭。
After consulting my railway timetable, I noted with satisfaction that there was an express train to Westhaven.
我查看了列车时刻表,满意地了解到有一趟去威斯特海温的快车。
更多情景英语 ›