Upon tut
计件, 按件
🧩 词语组成解析
upon
[ə'pɑn]
prep. 在…上面;当…时候;
interj. 啧啧(表示不赞成、责难)\\nn. 啧啧声音\\nvi. 发啧啧声
🗣️ 情景例句
I want to send this letter to China, by air mail.
我想把这封信航空邮到中国。
I'm sorry, but it's just not possible.
抱歉，实在是爱莫能助。
Susan hasn't been married, neither has Liz.
苏三没结婚，李兹也是。