Inverted backbone
[计] 倒置主干结构
🧩 词语组成解析
a. 倒转的, 反向的
🗣️ 情景例句
I wonder whether I might ask you a question.
我是否可以问你一个问题？
Mike found it difficult to adjust at first, but he's used to studying at Harvard now.
刚开始迈克发现很难适应在哈佛的学习，但现在他已经习惯了。
Most countries use these satellites to send and receive messages.
大多数国家利用这些卫星发送和接收消息。