R.c.
abbr. (=reinforced concrete)【建】钢筋混凝土\\n
🗣️ 情景例句
When does he arrive?
他什么时候到？
Sure thing, boss. All in a day's work.
当然，头，这是家常便饭。
He waited until someone new joined the company and then began to steal.
他等待有人刚加入公司后才开始偷窃。