单词	benthos belt
释义	benthos belt 水底生物带
随便看	portable sea ice pressure gauge Portable Secure Speech Equipment Portable seicmographic station portable seismic recorder portable seismograph portable seismographs portable seismometers portable self-powered multiple warning device portable sensor portable sensor verifier portable service processor portable servicer portable set portable sewing machine portable sewing-machine Portable shear apparatus portable shearing machine portable shield portable shielding portable shunt portable sign portable signal disc Portable Signal Gatheting Analysis Meter portable signal generator portable signal light