The earth's magnetosphere is at once protective and dangerous.地球的磁层既具有保护的功能，却又极其危险。This animation shows a conceptual sketch of Mercury's magnetosphere at the time of the MESSENGER flyby.这个动画是信使号探测船探测水星磁层时的模拟图.A...
议员席上不断有人在嘲讽和打岔.There was constant jeering and interruption from the floor.这本书充满了萧伯纳独特的爱尔兰式幽默与嘲讽。This book is suffused with Shaw's characteristic wry Irish humour.这里雪莱用的是通俗的嘲讽手法。The style Shelley is using here is tha...