单词	海水腐殖质
释义	海水腐殖质sea water humus
随便看	long pepper long-pepper longpepper long period long-period long period bragg gratings long period comet long period constituent long-period delayed long-period delayed neutron long-period delayed--neutron long period fiber grating long period fiber grating pair long period filter long period grating long-period gravity wave long periodicity long period optical grating long-period oscillation long period perturbation long period perturbations long-period reverberation long -period seismograph long period seismograph long-period seismometer