Ethylates
使引入乙基类( ethylate的第三人称单数 )
🗣️ 情景例句
Have you ever owned an animal?
你曾养过动物吗？
I used to wake up early and get up at 7 o'clock.
我过去常早醒来并且在7点钟起床。
It was mailed last week.
上个礼拜我们还没收到。