The white brothers looked uncomfortable and some of the Harlem brothers belligerent.白人兄弟们似乎不大自在,而哈莱姆区来的兄弟却看上去斗志旺盛的.He had a belligerent aspect.他有种好斗的神色....the belligerent statements from both sides which have led to fear...
optical instruments such as microscopes and telescopes显微镜和望远镜等光学仪器Telescopes and microscopes are optical instruments.望远镜和显微镜是光学仪器.Telescopes and microscopes magnify.望远镜和显微镜能放大....