柯林斯词典im 1. the INTERNET DOMAIN NAME for Isle of Man 马恩岛 返回 IM剑桥词典abbreviation for instant messaging 短信;即时消息(instant messaging的缩写) medical specialized abbreviation for intramuscular 肌内的(intramuscular的缩写) 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。 返回 IM