(US 美 medianmedian strip) noun [C] a narrow piece of land with a barrier that separates the two sides of a motorway （高速公路的）中央分车带

/ˈsentrəlaɪz ||; ˈsɛntrəlˌaɪz/(also -ise) verb [T] (usually passive 通常用于被动语态) to give control of all the parts of a country or organization to a group of people in one place 集中；集权: Our educational system is becoming increasingly centralized. 我们的教育制度正日益中央集权化。 ➔centralization(also -isation) /ˌsentrəlaɪˈzeɪʃn; US -lɪˈz- ||; ˌsɛntrələˈzeʃən/ noun [U]