Pulsed extraction column
[化] 脉冲萃取塔; 脉动式萃取塔
🧩 词语组成解析
a. 脉冲的；跳动的；脉冲调制的
extraction
[ɪk'strækʃən]
n. 取出，抽出;血统，家世，出身;[化]提取（法），萃取（法），回收物，提出物，精炼;[数]开方，求根;
ex分开+tract拉+ion表名词 → 提炼；抽出
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
By working together,
透过共同工作，
I used to wake up early and get up at 7 o'clock.
我过去常早醒来并且在7点钟起床。
Most of them were able to climb out in time. However four men were not quick enough to escape the flames.
大部分工人能够及时逃生。可是有4个工人来不及逃离火场。