A competition in which these sleds race against a clock.'逆'.''时针比赛这种雪橇''.'逆'. ''时针方向的比赛.Sleds pulled by dogs are in common use in the Arctic.狗拉的雪橇在北极地区很常用.Luge athletes r...
A few moments later they were airborne and winging their way south.过了一会儿,他们已然搭上飞机赶往南方了。The pilot did manage to get airborne.飞行员的确设法使飞机升空了。Many people are allergic to airborne pollutants such as pollen.许多人对空气传播的污染物过敏,比如花粉...