Marconi tied several antennas to kites.马可尼在风筝上系了几根天线.Radio astronomy today is armed with the largest antennas in the world.射电天文学拥有世界上最大的天线.The jet has 57 antennas for its huge array of electronic gear. Normal is 17.机上装有五...
Marconi tied several antennas to kites.马可尼在风筝上系了几根天线.Radio astronomy today is armed with the largest antennas in the world.射电天文学拥有世界上最大的天线.The jet has 57 antennas for its huge array of electronic gear. Normal is 17.机上装有五...
It was strange, how invisible a clerk could feel.一名办事员会感到如此受人忽视，令人觉得不可思议。The invisible trade surplus was £200 million lower than reported.无形贸易盈余比报道所称的少2亿英镑。The container is invisible until you shine an ultraviolet light ...