cover-up瞒报;
deliberate cover-up蓄意隐瞒;
underreport少报;
zero tolerance零容忍;
gas explosion瓦斯爆炸;
aniline pollution苯胺污染;
security risk安全隐患;
high gas mine高瓦斯矿井;
relatives of the victims 受害者家属;
dangerous chemicals危险化学品
重点阅读:
新东方托福:
新东方托福培训视频:
托福辅导: