Baker's yeast
[機] 發(fā)面酵母
?? 詞語組成解析
yeast
[jist]
n. 酵母（菌）;酵母粉，酵母餅，酵母片;泡，泡沫;動亂，激動;
vi. 發(fā)酵;起泡沫;
??? 情景例句
Any time.
隨時效勞。
You're not yourself today.
你今天不太對勁。
It's a pencil-box.
一只鉛筆盒