形容詞 amphoteric:

1. having characteristics of both an acid and a base and capable of reacting as either
   同義詞：amphiprotic

am.pho.ter.ic

adj.（形容詞）
Having the characteristics of an acid and a base and capable of reacting chemically either as an acid or a base.
兩性的：具有酸和堿的特征的，既能作為酸又能作為堿進(jìn)行化學(xué)反應(yīng)的

來(lái)源：
From Greek amphoteros [each of two]
源自 希臘語(yǔ) amphoteros [二者之一]
from amphô [both]
源自 amphô [二者]