他已经在擦汽车轮毂了。He was already buffing the car's hubs.我在前后轮毂上都抹了润滑油，还调校了刹车。I greased front and rear hubs and adjusted the brakes.轴和轮毂通常用键固定在一起.Shafts and hubs are usually fastened together by means of keys....
他是个不错的小伙子——聪明伶俐而且性格开朗。He was a nice lad — bright and with a sunny disposition.她对他开朗、坚定地一笑，但笑得有点不自然。She gave him a bright, determined smile which seemed unnatural.总之，苏茜不畏艰难，开朗乐观、不屈不挠。Above all Susie is a great survivor, w...
Butterflies flitted from flower to flower.蝴蝶在花丛中飞来飞去。The clouds flitted across the sky.云朵掠过天空.The politicians simply flitted from one madcap scheme to another...政客们只是蜻蜓点水般辗转于一个又一个荒唐的计划之间。An idea flitted through my mind.一...