Whitmanite
镁钛矿
🗣️ 情景例句
He's hooked on cocaine.
他吸咖啡因上瘾。
Where your will is ready, your feet are light.
下定了决心，脚步就轻盈。决心一下，脚下生风？
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，