- 问题详情:Thereare115distinct(独特的)speciesofpinetreeswith35nativetoNorthAmerica.Pinesaredefinedasevergreenswithlong,needle-likeleavesandareonlynativetothenorthernhemisphere.Pinetreesareanadaptableandtoughspeciesthatcansurviveinmanyconditionswhereothe...
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