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...
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....
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....