A medicine used to treat allergies and hypersensitive reactions and colds,works by counteracting the effects of histamine on the receptor site known as H1.是什么意思_A medicine used to treat allergies and hypersensitive reactions and colds,works by counteracting the effects of histamine on the receptor site known as H1.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句