vi. 重新下来； 重新下降
vt. 从 ... 重新下来； 再次下(楼梯等)
But after being suspended for an instant aloft,the balloon began to redescend, the gas escaping by the rent which it wasimpossible to repair. 但是，没一会儿工夫，气球又开始下降了，气体从裂缝中向外跑，这裂缝现在要补也没法补。
