Electroretinograph
n. [医]视网膜电流描记器
🗣️ 情景例句
You hit the nail right on the head.
你说对了。
When do you leave?
你何时起程？
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。