The phone was perched precariously on the window ledge.电话放在窗台上,摇摇欲坠.His feet found the window - ledge.他的双脚触到了窗台.He balanced precariously on the narrow window - ledge.他在狭窄的窗台上很难保持平衡....
One billion people throughout the world are Muslims, united by belief in one god.全世界有10亿穆斯林，共同的一神信仰将他们团结在一起。They approved a $1.1 billion package of pay increases for the veterans of the Persian Gulf War.他们通过了对参加过波斯湾战争的老兵...