单词	Protobranchia
释义	Protobranchia plural noun Pro·​to·​branchia : an order of Lamellibranchia comprising primitive bivalve mollusks in which the gills consist of a double row of simple lamellae not reflected or united protobranchiate ¦⸗(ˌ)⸗+ adjective Word History Etymology New Latin, from prot- + -branchia
随便看	sweeps away sweeps out sweeps up sweepstakes sweepstick sweepswinger sweepwasher sweepy sweer sweeswee sweet sweet acacia sweet alyssum sweet amber sweet anise sweet archangel sweet ash sweet bag sweet balm sweet balsam sweet basil sweet bay sweet bean sweet Betty sweet Billy

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