Girocap
组装钻的一种结构
🗣️ 情景例句
I know.
我知道。
Every man is the architect of his own fortune.
每个人都是他自己命运的建诛师。
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，