Gradiometer
n. 坡度测定仪, 倾斜计
🗣️ 情景例句
How did you do that?
你怎么做到的呢？
I wonder what makes you late.
我不知道是什么使你迟到。
We owe a lot to the birds and beasts who eat insects but all of them put together kill only a fraction of the number destroyed by spiders.
我们要十分感谢那些吃昆虫的鸟和兽，然而把它们所杀死的昆虫全部加在一起也只相当于蜘蛛所消灭的一小部分。