Subexpression
[计] 子表达式
🗣️ 情景例句
What did I tell you?
我不是告诉过你吗？
All our work was in vain.
我们白干了一场。
Hello, Ann. Could I borrow your radio tomorrow, please?
您好，安。我想明天借用您的收音机。可以吗？