It has two types: luge and bobsleigh.分为有舵和无舵两种.Luge is the French word for sled.小型撬在法语中是雪橇.Luge athletes race by lying on their backs on sleds with steel runners.小型撬运动员把他们的背靠在雪橇上通过冰刀来滑行比赛....
He cleaned the flakes away with his coat sleeve.他用大衣袖子把碎屑掸掉。His work clothes, having become saturated with oil, had to be cleaned.他的工作服已经被油浸透，该洗洗了。She meticulously cleaned the gun and locked it away in its case.她小心翼翼地把枪擦...
前线的防务得到后备装甲部队的支援。These front-line defences are backed up by armoured units in reserve.该机构说国际救援机构也提供了支援。The agency says international relief agencies also have pitched in.支援的许诺a pledge of support...