They plugged in their tape-recorders.他们给录音机接上了电源。The workers plugged the hole in the gas pipe.工人们堵住了煤气管道上的洞。Her instructor plugged live bullets into the gun's chamber.她的教练在枪膛里装上了实弹。They plugged their guitars into am...
火星的大气层极其稀薄，几乎全部由二氧化碳构成。Mars has an insubstantial atmosphere, consisting almost entirely of carbon dioxide.火星的大气层中只含有极少量的水。The Martian atmosphere contains only tiny amounts of water.空间站在重返地球大气层时会被烧毁。The station would burn...