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
when Molly gave him the injection.
Molly给他打针时。
They've been married for quite a few years.
他们结婚好多年了。
I had an amusing experience last year.
去年我有过一次有趣的经历。