Smeltzer
[人名] 斯梅尔策
🗣️ 情景例句
Why are you crying?
你为什么哭？
How much is a one-way ticket?
单程车票多少钱一张？
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。