Abrasive substance
[化] 研磨材料
🧩 词语组成解析
abrasive
[ə'breisiv]
adj. 有磨蚀作用的;摩擦的;粗糙的;使人厌烦的，伤人感情的;
n. 研磨料;琢料;金刚砂;
🗣️ 情景例句
Did you have a good time today?
今天玩得开心吗？
How long has it been since you've heard from your uncle?
自从你听到叔叔的消息有多长时间了？
only of metal, which wears away by friction.
而是由金属组成，而金属可以随着磨擦而磨损殆尽。