jackrabbit/ˈdʒækˌræb.ɪt/名词杰克兔(北美产的大野兔)While hiking through the desert, we spotted a jackrabbit darting across the sandy terrain with lightning speed.在沙漠徒步旅行时,我们看到一只沙兔在沙漠地形上以闪电般的速度奔跑。想跟读,去练习