The amount of light available for astrophysical analysis are usually so small.对天体物理分析来说,可接收到的天体光量是相当小的.Much astrophysical information is to be obtained from the intensity of absorption or emission lines.许多天体物理信息要根据吸收线或发射...
Leftover food and unwashed dishes cover the dirty counters.台面上又脏又乱,尽是残羹剩菜和未洗的盘子。They looked pale and unhealthy, with unwashed hair and sunken cheeks.他们脸色苍白,精神不振,头发脏乱,两颊深陷。a pile of unwashed dishes一堆未洗的碟子...
Our budgie got out of its cage while our cat was in the room. Needless to say, the cat moved quicker than me and caught it.我们的虎皮鹦鹉飞出鸟笼的时候,猫正好在室内。不用说,猫比我快,抓住了它。Sit like a dog. Run like a rabbit . Fly like a budgie.像狗一样蹲着....