1.
To render unfit to eat or drink without destroying usefulness in other applications, especially to ADD methanol to(ethyl alcohol).
使变性使食物和饮料变质而不破坏这些物质用于其它目的的用途,尤指(在乙醇中)加甲烷
2.
Do not judge people’s usefulness by their appearance. ——AESOP
不要根据外表来判断一个人的用处。(人不可貌相)——伊索
3.
In AN effort to accumulate data concerning the usefulness of these eggs in the diets of individuals at increased risk of heart disease...
实验对象在收集有关这种鸡蛋对心脏病发病危险提高的个体的有益作用的数据时…
4.
I was tired but unrepentant AND didn't seem able to force myself into a practical posture of usefulness AND obedience
我很疲倦，却毫不悔悟，不肯强迫自己作出一种服服贴贴，有益而实事求是的姿态。
5.
We should, therefore, never overtrust the eye and underestimate the usefulness of the EAR
我们不能迷信眼睛，小看了耳朵的作用。
6.
WHEn HE learned of tHE usefulness of foreign languages, HE took to studying English with great zeal.
当他知道了外语的用处后，就开始以极大的热情学习英语。
7.
In a world of nuclear deterrence, the usefulness of force is limited.
在这个充满核威慑力量的世界里，武力的用途是有限的。
8.
But they seem likely to retain a certain usefulness in the production of specialist fabrics, such as industrial fabrics woven from heavy wefts.
但是在生产一些特种织物时它们似乎还有一定的用处,例如用来织造纬纱比较粗重的工业用织物。
9.
There is usefulness to the parachute.
降落伞是有用的。
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