Chg
abbr. change 变化; 变动; charge 价钱; 应付项目
🗣️ 情景例句
and information about Max's life here.
关于Max在这里的生活。
How long have you lived here?
你住在这里多久了？
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，