Ethines
[化] 炔烃
🗣️ 情景例句
There aren't too many examples of this style of architecture left these days.
现在这种风格的建筑已所剩无几了。
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。
Good morning, sir.
先生，早上好。