Riometer
n. [物]宇宙噪声测量器, 相对电离层吸收仪(用以测量电离层对电磁波的吸收作用)
🗣️ 情景例句
Robbie, will you help me serve? Robbie
你能帮帮我吗？
Photography is an expensive hobby.
摄影是门花费很多的爱好。
We had to climb over some rocks and it started to rain.
我们不得不爬过一些岩石，这时开始下起雨。