River bottom
河底
🧩 词语组成解析
river
['rivə]
n. 河，江;溪，巨流;
bottom
['bɑtəm]
n. 底部;末端;臀部;尽头;
adj. 底部的;
vt. 装底;测量深浅;查明真相;
vi. 到达底部;建立基础;
🗣️ 情景例句
Hi-tech companies are making big bucks nowadays.
现在高科技公司是最赚钱的。
It's hard to say.
很难说。
Once he had done this, he had been able to turn on the supply.
一旦他接上了接头，他就能够打开供气阀。