Rockhounding
n. [口语]矿石采集[亦作rock hounding]
🗣️ 情景例句
Did you hear the news?
你听说那条新闻了吗？
Put the receiver closer to your mouth.I can't hear you.
把听筒放近你的嘴，我不能听见你的话。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。