Tetraptera
四翅类
🗣️ 情景例句
I wonder whether I might ask you a question.
我是否可以问你一个问题？
A sense of regret or resentment will not help us in any way.
后悔和怨恨不会给我们任何帮助。
A few hours earlier, someone had told the police that thieves would try to steal the diamonds.
数小时以前，有人向警方报告，说有人企图偷走这些钻石。