Backspring
倒缆; 反向弹簧
🗣️ 情景例句
Go by the book.
照章办事。
No,I'm not married.I'm still single.
没有,我没结婚，仍然是单身.
The stream wound its way across the field and then flowed right under their tent!
那小溪弯弯曲曲穿过田野，然后正好从他们的帐篷底下流过去。