Backflips
(backflip 的复数) n. 后翻式；后滚翻；倒翻筋斗\\nvi. 后空翻；表演后空翻
🗣️ 情景例句
He never married.
他没有结过婚。
It is a pay phone .
那是一个付费电话。
I'd like to know some information about the current investment environment in your country?
我想了解一下贵国的投资环境。