Pda
其它 Other[计] 个人数字助手
🗣️ 情景例句
What a day!
今天好忙！
Two or three of them look familiar.
我认识他们中的两三个。
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。