Odontometer
齿轮公法线测量仪
🗣️ 情景例句
Does the hotel have a tour service?
这宾馆有旅游服务吗？
After dinner sit awhile, after supper walk a mile.
正餐以后，休息片刻；晚餐以后，步行一哩。
'You needn't have said that,' my wife answered.
“你没必要这么说，”我妻子回答说，