Reflectometer
[电] 反射计
🗣️ 情景例句
Can you please take a message for me?
你能帮我留个条吗？
Care killed the cat.
忧虑伤身。
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，