Ditetrahedron
双四面体
🗣️ 情景例句
Oh?
噢？
After Mr. Lee's remarks, the meeting will be opened for comments and discussion from the rest of you.
李先生发言完毕后，会议将由大家进行自由评论和讨论。
We want to catch the eight nineteen to London.
我们要乘8点19分的车去伦敦。