Backcrawl
= backstroke
🗣️ 情景例句
I'm sure Alexandra
我相信Alexandra
I usually get up at 8 o'clock.
我通常8点起床。
Many people in industry and the Services, who have practical experience of noise,regard any investigation of this question as a waste of time;
在工业部门工作和在军队中服役的许多人对噪音有切身的体会，他们认为对这个问题进行调查是浪费时间，