The equations of the electromagnetic field are deduced from experimental facts.
电磁场的方程是从实验事实中推导出来的。
随着我们深入研究基因组,我们意识到生命的复杂性远远超出我们的想象。
Every setback is a setup for a comeback.
After all, life is never so jolly or so miserable as people seem to think.