Ramsayite
褐硅钠钛矿
🗣️ 情景例句
He knows everything about the production schedule,
他知道生产进度的一切情况，
Just do what it says.
照着做就对了。
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。