Sierra Leone Investigates Foreign Waste Agreement

音频下载[点击右键另存为]

hazardous – adj. dangerous or harmful

toxic – adj. containing poisonous substances

expose – v. to cause (someone) to experience something or to be influenced or affected by something, sometimes negatively (often + to)

plant – n. a building or factory where something is made

utilize – v. to use (something) for a particular purpose