单词	纳口
释义	纳口 nàkǒustuttering; stammering
随便看	photoneutrino processes photoneutrinos photo-neutron photoneutron photo-neutron cross-section photoneutron--emission photoneutron source photoneutron--source photoneutron standard photon exitance photon exitance [at a point of a surface] photon exposure photon fluence photon fluence rate photon flux photon-flux integration mode photon-- gamma-ray photon gas photonic photonic arbitrary waveform generation photonic assisted a/d photonic atm switch photonic band photonic bandgap photonic bandgap crystal