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
It's been great talking to you.
和你谈得真高兴。
If the old dog barks,he gives counsel.
老狗叫，是忠告。
It's about four hundred yards down this street.
城堡就在这条街上，（离这儿）400码左右。