有關duckbill的精選大全

用duckbill造句子,“duckbill”造句
Alsocalledduckbillsemiaquaticegg-layingmammalnativetoTasmaniaandsouthernandeasternAustralia.Especially,theside-open"conicduckbill"mountedontheuniteffectivelypresentsthesoilblockingupproblem....
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