我解开外衣,让他看那条皮带。I opened my coat and let him see the belt.这种光线下你看不清楚,其实我的新外衣带棕色。You can't see in this light, but my new coat is a sort of brownish colour.你可以穿件高圆翻领衫配那件外衣。You can wear a polo neck with that jacket....
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....