Thehumanbodyisanamaz的精選

問題詳情：Thehumanbodyisanamazingandcomplexmachine.Itisverytough,andweusuallyrecoverfromillnessorinjuryonourown,withoutthehelpofadoctor.Butwhathappenswhenweneedmedicaltreatment?Inthepast,somepeoplewentt...