知識(shí)擴(kuò)展 詞語(yǔ)辨析
disseminate，circulate，diffuse，expand，extend，propagate，radiate，spread。
這組詞都有“延伸”“延長(zhǎng)”“伸展”“展開(kāi)”的意思。它們的區(qū)別是1.spread指向四面八方擴(kuò)大范圍。2.circulate指無(wú)拘無(wú)束地或不間斷地傳播、散布到各處。例如She opened a window to allow the air to circulate.她打開(kāi)窗戶(hù)使空氣流通。3.disseminate指到處傳播思想、理論等。例如They use the press to disseminate right wing views.他們利用報(bào)刊來(lái)傳播右翼觀點(diǎn)。4.diffuse指光線(xiàn)、聲音、氣味等在空中傳送或散布。例如Light diffused from the window.光從窗戶(hù)射進(jìn)來(lái)。5.extend指延展物體的長(zhǎng)度、寬度，延伸或擴(kuò)大某一事物，以及延長(zhǎng)時(shí)間、期限等，也指伸開(kāi)四肢或軀體。例如They extended the road for three more miles.他們把那條路又延長(zhǎng)了三英里多。The headmaster extended our holidays by a week.校長(zhǎng)把我們的假期延長(zhǎng)了一個(gè)星期。6.expand指擴(kuò)大面積或體積，也指把合攏的東西放開(kāi)(即三維)。例如This county has expanded its area under cultivation by more than50，000mu.該縣擴(kuò)大了50，000畝耕地。Heat expands metals.熱使金屬膨脹。He does exercises to expand his chest.他做體操擴(kuò)胸。7.propagate通常指宣傳某種信念、看法或傳播某種言論，以使更多的人相信或參與。例如We should not only learn knowledge，but also propagate it.我們不僅應(yīng)學(xué)習(xí)知識(shí)，而且應(yīng)傳播它。The Greek civilization was propagated all over Europe.希臘文明傳播至整個(gè)歐洲。8.radiate指從中心向四面八方散發(fā)，是技術(shù)用語(yǔ)，特指光或熱的輻射。例如The sun radiates light and heat.太陽(yáng)放射光和熱。The electric heater radiated warmth.電暖器散發(fā)出熱量。
1、 The presence of multinationals also helps to develop a country?s pool of skilled Labour and,when they operate in joint ventures,to disseminate new technology and ideas.