2、?？季湫?/p>
1、天文學(xué)家和科學(xué)家認(rèn)為黑洞是一種空間區(qū)，物質(zhì)可以掉進(jìn)黑洞但任何物質(zhì)不能逃脫。P1
Astronomers and scientists think that a black hole is a region of space into which matter has fallen and from which nothing can escape.
2、理論上是這樣的：當(dāng)某些星體的密度增大到某一特定點(diǎn)時(shí)便發(fā)生爆炸。P2
The theory is that some stars explode when their density increases to a particular point.
3、有人認(rèn)為圣誕星可能是一顆超新星。P2
Some people think that the Start of Bethlehem could have been a supernova.
4、假定一個(gè)人掉進(jìn)黑洞，他會(huì)認(rèn)為很快就能到達(dá)黑洞中心。P3
If a man fell into a black hole, he would think that he reached the center of it very quickly.
5、只是在近幾年天文學(xué)家才開始具體研究黑洞。P3
It is only recently that astronomers have begun specific research into black holes.
6、另一方面，科學(xué)家們也在設(shè)想，由于有非常先進(jìn)的技術(shù)，人們也許能在將來利用黑洞為人類服務(wù)。P5
On the other hand, scientists have suggested that every advanced technology could one day make use of the energy of black holes for mankind.
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