Promethazine 1 mg/kg elicited a drop in pain threshold, while 2 mg/kg increased it. However, both dosages of promethazine attenuated EAA obviously.是什么意思_Promethazine 1 mg/kg elicited a drop in pain threshold, while 2 mg/kg increased it. However, both dosages of promethazine attenuated EAA obviously.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句