| 释义 |
DEFINITIVE EXAMPLES 权威例句〔commercial〕The average American sees and hears thousands of commercial messages each day.普通美国人每天都会看到和听到数千条商业信息。韦氏高阶〔sound truck〕A truck or other vehicle having one or more loudspeakers, usually situated on top, typically used for broadcasting political or commercial messages.宣传车：装有一个或多个高音喇叭的卡车或其他车辆，这些喇叭通常置于车顶，典型地用于传播政治或商业信息美国传统 |