noun 下载 🔗分享 三十罐啤酒,三十瓶啤酒 A rack of thirty beers. Examples : "The bar had a thirty. " 酒吧里有一提三十罐的啤酒。 number drink amount essential 与AI对话词汇游戏阅读练习
numeral 下载 🔗分享 三十 The cardinal number occurring after twenty-nine and before thirty-one, represented in Arabic numerals as 30. Examples : "There are thirty students in my math class. " 我的数学课里有三十个学生。 number math essential 与AI对话词汇游戏阅读练习