这些不断推陈出新的磁力计在此领域的研究起了很重要的作用,正如气压计对早期的天气预测起的作用一样. These magnetometers and their successors have played the role that barometers did for early weather forecasters.
虽然这是一场艰苦的斗争，但我相信我们会取得胜利。It's an uphill battle but I think we're going to win.禁毒斗争归根到底是钱的问题。The war against drug peddling is all about cash.我一辈子都在同种族主义和偏见作斗争。I've spent a lifetime fighting against racism an...