🧩 词语组成解析
copper
['kɑpɚ]
n. 铜;铜币;紫铜色;警察;
adj. 铜制的;
vt. 镀铜;
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
Please take your places.
请大家就座。
If you would have a thing well done,do it yourself.
想把事情来做好，就得亲自动手搞。
So it is a comparatively simple step from locating the sea bottom to locating a shoal of fish.
从测定海深到测定鱼群，这一进展比较容易。