n. a commercial leavening agent containing yeast cells; used to raise the dough in making bread and for fermenting beer or whiskey
n. any of various single-celled fungi that reproduce asexually by budding or division
n. 酵母( yeast的复数形式 ); 酵母菌; 发面饼; 发酵粉
v. 酵母( yeast的第三人称单数 ); 酵母菌; 发面饼; 发酵粉