单词	first signal
释义	first signal [医] 第一信号
随便看	infrared signal entropy infra-red signature infrared simulation test infrared simulator infrared sky map infrared slavery infrared slot reader infrared sniperscope infrared solar radiation infrared soldering infrared solvent infrared sound transmitter infrared source infrared sources infrared space astronomy infrared space heating Infrared Space Observatory infra-red spectra infrared spectra infrared spectral radiance infrared spectral region infrared spectral return infrared spectral sensitivity infrared spectroelectrochemistry infrared spectrogram 革面洗心革面革心革风易俗靪靫靬靭靮靯靰念叨念叽咕儿念咒念喜歌儿念四史念央儿念头念完经打和尚念心儿念念不忘