Formanite
钽钇铌矿
🗣️ 情景例句
What a pleasant surprise running into you.
碰见你真是太棒了！
I guess so, honey.
嗯，真的。
So was born the echo-sounding apparatus, now in general use in ships.
这样就产生了目前各种船舶上普遍应用的回声探测仪。