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
And to Robbie and the Stewart family
并且感谢Robbie和Stewart全家
There is a crook(=affliction,trial) in the lot of every one.
人生总有倒楣事;人生总有不如意处。
It is much cheaper to post or email a long report than to fax it.
邮寄或电子邮递一封长篇报告比传真要便宜得多。
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