Wcot
[化] 涂壁空心柱
🗣️ 情景例句
He's been here for years, he should know the ins and outs of the job by now.
他在这里已经好多年，现在理应熟悉各方面的工作了。
I will be going home in October.
我将在十月份回家。
What can I do for you?
要我帮忙吗？