allergist的复数形式怎么写

Allergist Bruce Wolf says this year has been especially bad.过敏症专家布尔特?沃尔夫说今年的情况比往年更不乐观....

n.变（态反）应症专科医师...

allergist的音标：allergist的英式发音音标为：['æleɪdʒɪst]allergist的美式发音音标为：['æleɪdʒɪst]...