Amherstite
反纹二长岩
🗣️ 情景例句
I'll talk to Richard about it.
我会与Richard商量商量。
Love lives in cottages as well as in courts.
爱情无贵贱，贫负皆有之。
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，