Abrasives
n. （研）磨料, 磨蚀剂( abrasive的复数形式 ); <地质>磨蚀岩屑
🗣️ 情景例句
and he really wants to go there.
他确实很想去那儿 。
To wave your arms
振臂，挥手
From now on, he will wear a suit all day and others will call him 'Mr.Bloggs', not 'Alf'.
从此，艾尔弗可以一天到晚穿西服了。别人将称呼他为“布洛格斯先生”，而不再叫他“艾尔弗”了。