A very useful quantity is the half-time for the reaction.
一个很有用的量是反应的半衰期。
Nothing in the world is more useful than increasing the quantity and quality of your results and the fact that one can excel in an area.
你的成果增量提效了,还有你擅长于某一领域的事实,在这个世界上没有其他事比这更有用了。
Unexpected computer viruses may destroy a large quantity of useful information.
意外的计算机病毒可能会破坏大量有用的信息。
That's a useful quantity to know.
这是个很有用的结论
应用推荐