R.c.
abbr. (=reinforced concrete)【建】钢筋混凝土\\n
🗣️ 情景例句
His appearance is impressive.
他的外表给人印象深刻。
But this doesn't mean that Mr. Li is a bookworm.
但这并不意味着李先生是个书呆子。
It's a car.
是一辆车。