慢速英语:菲律宾检查塌方事故后的采矿行动

音频下载[点击右键另存为]

review – n. an investigation or study

contribute – v. give something in order to provide or achieve something together with other people

heartache – n. extreme sadness

extent – n. the size or importance of something

undermine – v. make someone less confident or make something weaker