Ethines
[化] 炔烃
🗣️ 情景例句
Helen has told me all about you.
海伦对我将了好多你的事儿。
Did you go to the theater this morning?
你今早去戏院了吗？
One minute
……two minutes……three……four……ten minutes。 1分钟……2分钟……3……4……10分钟。