It's so bright and beautiful. But after awhile, as our eyes adjust, we notice that this light is accompanied by a shadow - and usually a fairly large one.
经过一段时间以后，就像我们的眼睛适应了光环一样，我们渐渐看到了与光环相伴的阴影，或许是相当大的一个阴影。
The sound waves were so huge (about 20,000 light years in length) and so low (about 50 octaves below hearing range) that the astronomer had to adjust them to the range of human hearing.
这种声波如此巨大(大约2万光年长)又如此低沉(大约低于听力范围50个八度)，所以天文学家对它进行必要的调整后，人才能听到。
The sound waves were so huge (about 20, 000 light years in length) and so low (about 50 octaves below hearing range) that the astronomer had to adjust them to the range of human hearing.
这种声波如此巨大(大约2万光年长)又如此低沉(大约低于听力范围50个八度)，所以天文学家对它进行必要的调整后，人才能听到。
应用推荐