An app that you pay money for is called a "paid app" or a "commercial app" in Engpsh. You can also say that it is a "for-pay app" or a "for-purchase app."
"放学回家" means "to go home after school" in Chinese05-28
在英语中，照顾动物的表达方式有很多种。常见的表达方式包05-28
在英语中，步行的意思是"to walk somewhere, especially on05-28
在英语中，我们可以用 "animals in the mountains" 来表示 05-28
如果你想用英语向熟人问候，你可以说： "Hi, how are you?" 05-28
"开心"用英语可以说作"happy"或"glad", "悲伤"则可以说作05-28
液化地基土在英文中可以翻译为 pquefied soil foundation05-28
"他是公司职员" 可以用英文表示为 "He is an employee of05-28