Triarylmethane
三芳基甲烷
🗣️ 情景例句
When you go to a new school it takes a while to know the ropes.
到一所学校读书要花一段时间熟悉情况。
I went to see my doctor for a check-up yesterday.
我昨天为检查去看了医生。
Betty and Susan are talking on the telephone.
贝蒂和苏珊正在通电话。