An astronomer can determine the brightness of each star.天文学家能够测定每颗恒星的亮度。A new star attracted the notice of the astronomer.新发现的一颗星引起了那位天文学家的注意.It is the only tangible object the astronomer can handle.这是天文学家能够掌握的唯一可接触的对象....
It is the only tangible object the astronomer can handle.这是天文学家能够掌握的唯一可接触的对象.FRAN ? OISE COMBES, an astronomer at the Paris Observatory, is a leading expert on galaxy dynamics.康布任职于法国的巴黎天文台, 她是研究星系动力学方面的顶尖天文学家.There was ...
做一名女赛车手很不容易。It's very difficult being a woman in motor racing.本田先生自己年轻时就是位热衷赛车的车手。Mr Honda was himself a keen racing driver in his younger days.其2.7升的车型确实是非常棒的赛车。In that 2.7-litre form it really was a terrific racin...
I nerved myself to face the pain.我鼓足勇气去面对痛苦。Hurstwood nerved himself and sidled near.赫斯渥鼓起勇气,侧身走近了他.The protective instinct always nerved her to successful dissimulation.自卫的本能总能使她成功地披上伪装....
三氟丙炔和全氟丁炔 -2 在这个区域也出现双重谱带.Duplication of bands in this region is also shown by trifluoropropyne and perfluoro 2 - butyne.三氟丙炔和全氟丁炔 -2 在这个区域也出现双重谱带.Duplication of bands in this region also shown by trifluoropropyne and pe...