Wustite
方铁体, 维氏体, 铁酸盐
🗣️ 情景例句
But if we go out,
但是我们出去后，
Who is speaking?I don't recognize your voice.
阁下是那一位？我听不出你的声音。
It sped downhill at the end of the race and its driver had a lot of trouble trying to stop it.
它在接近终点时，冲下了山坡，驾驶员费了好大劲才把车停下来。