... a fraction of a second 一秒钟的若干分之几, 一转眼的工夫 not by a fraction一点也不 to a fraction [口]地地道道地, 百分之百地 ...
双语例句
1
Suddenly, as if overnight, a significant fraction of the world’s computers were connected, not only bya physical network but also by a common protocol for exchanging information.
Alternative energies are not dense at all and require gobs of space to generate afraction of the energy generated by a small nuclear facility.
替代性能源则完全谈不上浓缩,并且需要极大的空间才能产出一座小型核电厂所产电能的一小部分。
3
The longevity prize is held by an animal that could not make the receptor molecule for growth hormone and was thus afraction of the size of normal mice.