酸值的英文：
acid number

acid是什么意思：
n.
1.[U,C]【化】酸
2.[U] 酸味物质
adj.
1.【术语】酸的；酸性的
2. 酸的；酸味的
3.（言辞）尖刻的；尖酸的

The somewhat acid flavour is caused by the presence of lactic acid.
这种微酸的味道是因为含有乳酸造成的。

Acids in the stomach destroy the virus.
胃酸能杀死病毒。

suffer from acidity of the stomach
患胃酸过多.

Neutralization is the interaction of a base and an acid.
中和作用是碱和酸的相互作用。

neutralization is the interaction of a base and an acid
中和作用是碱和酸的相互作用。

number是什么意思：
n. 数；号码；算数
v. 给…编号；计算，数

The number was fifty.
该数字为五十。

There is safety in numbers
人多势众

It was an irrational number.
这是一个无理数。

Which number on the card is a prime number?
在卡片上哪一个数字是最初的数字？

The number raised to the logarithm of a designated number in order to produce that designated number.
被升到指定数字的对数上的数量,是为了得到那被指定的数目。