Subplan
辅助方案
🗣️ 情景例句
Hello, ... speaking. Who do you wish to speak to?
喂， 我是……你想找谁？
I'm afraid I can't.
恐怕我不行。
It comes nearer to the engines with which man has 'conquered' the air, as he boasts.
它更近乎于人类自夸的“征服”了空气的发动机。