Chrochtron
摆线管
🗣️ 情景例句
She is a fantastic swimmer.
她游泳游得非常好。
A standard one. Replacement during the first year if all rules for proper use have been followed.
有一个原则，如果在一年内符合各种使用规定，就可更换。
What did you eat yesterday?
你昨天吃了什么呢？