adverb 下载 🔗分享 一次，一遍。 (frequency) One and only one time. Examples : "I have only once eaten pizza." 我只吃过一次披萨。 frequency time essential 与AI对话词汇游戏阅读练习
adverb 下载 🔗分享 曾经，以往。 (temporal location) Formerly; during some period in the past. Examples : "He was once the most handsome man around." 他曾经是周围最英俊的男人。 time past essential 与AI对话词汇游戏阅读练习
adverb 下载 🔗分享 一倍 Multiplied by one: indicating that a number is multiplied by one. Examples : "Once three is three." 一倍的三还是三。 math number essential 与AI对话词汇游戏阅读练习
adverb 下载 🔗分享 一旦 As soon as. Examples : "Once you finish your homework, you can go outside to play. " 一旦你做完作业，你就可以出去玩了。 time language essential 与AI对话词汇游戏阅读练习
adverb 下载 🔗分享 有朝一日，将来。 At a future time. Examples : "I will visit my grandmother once a month. " 我将来每个月会去看望我的奶奶。 time future essential 与AI对话词汇游戏阅读练习
conjunction 下载 🔗分享 一旦， 一经， 一旦当。 As soon as; when; after. Examples : "Once he is married, he will be able to claim the inheritance." 一旦他结了婚，他就能继承遗产了。 grammar language essential 与AI对话词汇游戏阅读练习
