Btx
[化] 苯-甲苯-二甲苯
🗣️ 情景例句
I'm Ellen Stewart, Marilyn's mother-in-law.
我叫Ellen Stewart， Marilyn的婆婆。
I informed her mother of her safe arrival.
我通知她母亲她已经平安抵达。
After seven days of this I went to a party.
这样过了7天以后，我去参加一次聚会。