conker
1. Have you seen Tom Smith's conker? He's got ever such big one!
你看到过汤姆·史密斯的七叶树吗?他有一棵非常大的七叶树。
2. One of the disgraced pair told a friend ‘We thought there would be a clear winner, with one conker smashed and the other carrying on going round and round the accelerator.
这对丢人的活宝中有一个对他的朋友说,“我们以为(两个马栗子)中会有一个彻底的胜者可以继续在加速器中运动,另一个则会粉身碎骨。
3. That is a conker tree.
那是一棵七叶树。