We can eliminate pollution completely by the year of 2008. [br] To spoil somethi

游客2023-09-17  21

问题 We can eliminate pollution completely by the year of 2008. [br] To spoil something by bringing in the impure which make it unfit or unclear to use, we call it______.

选项

答案 to pollute or contaminate

解析 第3段的第2句中弄脏是指因带进杂质而使某个东西不清洁或不适合使用。
转载请注明原文地址:https://tihaiku.com/zcyy/3023274.html
最新回复(0)