Mechanical scaling
[医] 器械刮牙术
🧩 词语组成解析
scaling
['skeiliŋ]
n. 缩放比例;刮治术;定标;洁治;
🗣️ 情景例句
Being a mother is not easy,
当一个母亲真不容易，
To make enemies, talk; to make friends, listen.
要成仇敌，多讲；要成朋友，多听。
If, as has been reported, they have protected humans from sharks,
正如报道中所说，如果海豚保护人不受鲨鱼侵害，