适量的英文：
proper quantities

Coffee regular, please.
咖啡加适量奶油。

"A little labour, much health"
适量劳动健身大有益

Will alcoholic drinks be harmful if taken in moderation?
适量饮酒是否有害健康

Also, when consumed in appropriate amounts, alcohol can be beneficial for the health.
而且﹐喝酒只要适量﹐对身体一定好处。

We have a rule of thumb: "Never carry around any more cash than you can afford to have stolen."
我们的经验之谈是：“随身带钱要适量，丢了也不会太心疼。”

" You' re right in that. Second, if you drink alcohol at all, drink it moderately."
这一点你说对了。第二条，如果你饮酒，应该适量。

Brain cells require an adequate, but not excessive, amount of sugar to metabolize normally
大脑细胞需要适量的而不是过量的糖，以进行正常的新陈代谢。

If we eat healthy food in the right amounts, we do not have to buy any supplements.
如果我们摄入的食品适量，就无须去购买补充食品。

The prompt administration of diphtheria antitoxin in adequate amounts is the first and most important step
及时给与适量白喉抗毒素，是首要的也是重要的步骤。

Many medicines are dangerous; the margin between dose and overdose is often narrow.
许多药物都具有危险性，适量和过量之间的分际通常差别很小。

Cheat's never proper.
欺骗决非正当事。

Action is the proper fruit of knowledge
行动是知识的巧果

They were in proper tennis whites.
他们都穿着可体的白色网球服。

I deem it proper to refuse.
我看还是拒绝为好。

One forth is a proper fraction.
四分之一是一个真分数。

dimensionless quantity
无因次值|无量纲的量

Bill of quantities: The specification of the quantity of materials to be used.
工程量清单;建筑工程清单;数量清单:指项目所用材料的数量及其规格的清单。见priced bill of guantities

Quality is better than quantity
不求其多,但求其精

We prefer quality to quantity.
我们要的是质量而不是数量。

These quantities are called stress resultant.
这些量叫做合应力。