This works through the mediation of the central nervous system.这是通过中枢神经系统的调节作用实现的。Certain chemicals can induce undesirable changes in the nervous system.有些化学物质能在神经系统中引起不良变化.He's taking a dangerous drug: it acts very...
Until a few months ago few people outside the arcane world of contemporary music had heard of Gorecki.直至几个月前，在现代音乐神秘殿堂之外很少有人听说了戈莱斯基。The technique at one time was arcane in the minds of most chemists.这种技术在大多数化学家心目中一度是神秘的....
发音的地区差异regional variations in pronunciation读下列单词, 注意不发音的字母.Read the following words, pay attention to the mute letters.中的h是不发音的.The " h " in " honor " is not aspirated. honor....