adverb 下载 🔗分享 针对，在...之上 Being the target of an action. Examples : "He was set upon by the agitated dogs" 他被激动的狗群袭击了。 action position essential 与AI对话词汇游戏阅读练习
preposition 下载 🔗分享 在...之上，在...上面 Physically above and in contact with. Examples : "Place the book upon the table." 把书放在桌子上面。 position place essential 与AI对话词汇游戏阅读练习
preposition 下载 🔗分享 在...之上，在...上面 Physically directly supported by. Examples : "She balanced upon one foot." 她单脚站立，身体靠一只脚支撑着。 position place essential 与AI对话词汇游戏阅读练习
preposition 下载 🔗分享 在...之后, 紧接着 Being followed by another so as to form a series. Examples : "hours upon hours, years upon years, mile upon mile of desert" 数小时之后又数小时，数年之后又数年，一英里又一英里的沙漠 time language grammar essential 与AI对话词汇游戏阅读练习
preposition 下载 🔗分享 在...之时，在...之际 At (a prescribed point in time). Examples : "The contract was rendered void upon his death." 合同在他去世之际作废。 time essential 与AI对话词汇游戏阅读练习
preposition 下载 🔗分享 在...之上, 在...上 On. Examples : "The book sat upon the table. " 书放在桌子上面。 position language essential 与AI对话词汇游戏阅读练习
