Abrasives
n. （研）磨料, 磨蚀剂( abrasive的复数形式 ); <地质>磨蚀岩屑
🗣️ 情景例句
From ...?
打来的人是……
It was a six-hour flight.
它要6小时的飞行。
It was at Charlie's wedding. You were playing the piano.
那是在查理的婚礼上，你在弹钢琴。