您要查找的是不是：
- 倒U假说Inverted-U-Type Hypothesis
- 倒U型假说Inverted-U Hypothesis
- “倒U”型假说hypothesis of inverted-U shape curve
- 库兹涅茨的倒U曲线假说Kuzents'inverse "U" shaped hypothesis
- u盘
- 倒U曲线inverse U curve
- 倒出swill
- 倒U型特征converse U type characteristic
- 倒掉outwell
- 倒档reverse gear
- 倒钩barb
- 翻倒overturn
- 倒过来the other way around
- 倒签提单Anti-da
- 倒茶serve the tea
- 倒的obverse
- 倒向retrograde
- 迷倒make
- 倒圆rounding
- 她在冰上滑倒了。She slipped on the ice.
