天文学家们认为这样一来，这颗行星就像彗星一样有了一条尾巴。
Astronomers think that it may then have a tail like a comet's.
丹的能量和精神，他就像一颗彗星，匆匆离去，但是他一闪而过的光芒仍然留存在人们心中，而我相信，还能留存得更久。
Dan's energy and spirit... he was like a comet... he TOOK OFF — but the sparks from that comet continue to set fires in people and I think will continue to do so for a very long time.
菲莱会在表面提取样本，向彗星发射电波来探测它的内部就像X光探测人体一样。
Philae will sample the surface, and also measure radio waves sent through the comet's bulk to probe its interior in the way that X-rays probe a human body.
应用推荐