前面用冠词a，例如：

1. He'd snared a rabbit earlier in the day.那天早一点的时候，他设套捉了一只兔子。

2.The thought of dissecting a rabbit disgusts me.一想到解剖兔子我就想吐。3.The dog scented a rabbit.狗嗅到了兔子的气息。4.His corporate's life will be as short as a rabbit's tail.他的公司的寿命是兔子尾巴长不了。