Yourweighthasbeenimp的甄选

问题详情：Yourweighthasbeenimportantsincethemomentyouwereborn.Maybeyouevenknowwhatyourbirthweightwas.Mostnewbornsweighbetween6and9 pounds,butsomemayweighmoreandsomeless.Butveryquickly,ababygainsweighta...