Icefall
n. 冰川陡峭部分, 冰崩
🗣️ 情景例句
Going away to college for the first time
第一次离家上大学，
Are you finished?
请问您还用吗？
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。