Backflip
n. 后翻式；后滚翻；倒翻筋斗\\nvi. 后空翻；表演后空翻
🗣️ 情景例句
Call the plumber to fix the toilet.
给水管工打个电话来修理厕所。
The exception proves the rule.
例外能反证规律。
I saw him playing football on the playground.
我看见他在操场上踢足球。