有關acre的精選大全

用acre造句子,“acre”造句
Acreforacre,somesanctuaries-suchasthoseinrainforest,tropicalgrasslandormangroveswamps-offeredalotmorespeciesprotectionperacrethanothersdid.Suchbedsshouldreducetravellingdistanceperacre.Likeintheirownh...
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