Anyone who breaks the law does so at their peril.违法者要自担后果。The British never awaken to peril until it is almost too late.英国人从来不懂得防患于未然。In spite of great peril, I have survived.虽然处境非常危险，我还是挺过来了。...
万用表可用来测量电流 、 电阻和电压.Current , resistance and voltage can be measured by the universal meter.有万用表 、 示波器等常用工具的使用经验.Experience hardware debug device , such as multi - meter, oscillograph, etc.万用表可用来测量电流, 电阻和电压.A multimeter c...
大西洋洋底在中部形成由北向南的海脊.The floor of the Atlantic ridges in the middle from north to south.一道中海脊是板块之间的边界,在那里新的岩石圈的物质从下部注入.A mid - ocean ridge a boundary between plates where new lithospheric material is injected from below s....