物理学研究力学、热学 、 光学 、 声学和电学.Physics studies mechanics , heat, light, sound and electricity.这两个学生都做了不少电学实验.Both students have made quite a few experiments on electricity.从量子电动力学可以得出所有已知的电学 、 力学和化学定律.Out of quantum electrodyna...
The sensory system may undergo long-term adaptation in alien environments.感觉系统对陌生的环境可能经过长时期才能适应。All participants had to undergo endothelial function tests during the six - week period.在六周的随访中,所有的研究对象都接受内皮功能检测.The surface...
We tend to meet up for lunch once a week.我们往往每周共进一次午餐。Somalia, pop. 7.9 million, income per head about £1.60 a week.索马里，人口790万，人均收入大约每周1.60英镑。The news programme goes out four times a week at peak time.这档新闻节目每周在黄金时段播出4次。...