1.dedicated to 致力于
例句:As a scientist, he was dedicated to the truth.
作为一个科学家,他献身于追求真理
。2.square kilometre 平方公里
例句:The unlikely three-square-kilometre site was the Oberwiesenfeld, formerly used for Royal Bavarian Army exercises and later converted into an airport.
这个美轮美奂的场馆位于Oberwiesenfeld,占地3平方千米,它之前是皇家巴伐利亚军队出操的场所,后来又改建成了机场
。3.sports shoe 运动鞋
例句:PUMA is the first sports shoe manufacture to offer Velcro fasteners.
PUMA是首家采用粘扣带的运动鞋生产商
。4.contribute to 有助于
例句:Various factors contributed to his downfall.
多种因素的作用导致了他的倒台
。