Generally a material with a sour taste such as vinegar or lemon juice contains an acid.

外语类 英语考试 已帮助 人

Generally, a material with a sour taste, such as vinegar or lemon juice, contains an acid.

A.a tart

B.an oily

C.a fruity

D.a bland

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热搜:a是b的充分条件,b是a的必要条件吗