These herbs would have been grown for medicinal purposes in days gone by.以前这些香草都是当药材来种的。He worked awhile as a pharmacist in Cincinnati.他有一段时间在辛辛那提当药剂师。An IM injection is chosen when reasonably rapid systemic uptake of the drug is needed by the body.当药物需要被身体很快吸收时，会选择肌肉注射。