Column efficiency
[化] 柱效率
🧩 词语组成解析
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
I see him on the train every day but we are not on speaking terms.
我每天都在火车上见到他，但彼此没有说过话。
Every cook praises his own broth.
自吹自擂。
We want it to stay down the hole until we can lead it off in a controlled manner.
我们要让石油留在井下，直到我们能用一种有控制的方法把它引上来为止。