Phenanthryne
[化] 菲炔
🗣️ 情景例句
We split up last week.
他们上星期分手了。
They called us just as we were having dinner.
当我们正在吃晚饭，他们就打电话给了我们。
Lucy and I go to school six days a week.
鲁茜和我每周上六天课。