Tcpo
abbr. tricetylphosphine oxide 氧化三（个）十六烷基磷
🗣️ 情景例句
the minute he comes home.
他一回来。
This is my second trip to the United States, and I really enjoy staying here.
这是我第二次美国之行，我很喜欢这里。
Dentists always ask questions when it is impossible for you to answer.
牙科医生们总是在你无法作出回答的时候向你提出问题。