Sightscreen
n. （板球）助视屏
🗣️ 情景例句
What's the matter?
到底发生了什么事？
I'm a graduate of Yale University.I have a Bachelor of Arts degree.
我是耶鲁大学的毕业生，我有文学学士学位。
it is quite reasonable to regard the sea floor as the basic form of the crust of the earth,
因此完全有理由把海床看作地壳的基本模壳，