| 例句 |
jam-upnoun a crowded mass (as of cars) that impedes or blocks movementknowing that there was a big traffic jam-up ahead, we took the detour that the locals always use backup, bottleneck, jam, logjam, snarl, tailback(British), tie-up tanglegridlock, lockcongestion, trafficcrawl, delay, slowdown, stoppage in 1941 |