重點(diǎn)講解:
1. refuse to do sth. 拒絕;回絕;
He refused to comment after the trial.
庭審之后他拒絕作出評(píng)論 。
2. separate from (使)分開;(使)分離;
A high wall separated our back yard from the playing field.
我們的后院和運(yùn)動(dòng)場之間隔著一堵高墻 。
3. bring down 消失;
It does not bring down the system cleanly, and hence the results are unpredictable.
它并沒有徹底關(guān)閉系統(tǒng),因此結(jié)果是不可預(yù)測的 。
4. at midnight 子夜;午夜;半夜;
At midnight he awoke and listened to the radio for a few minutes.
他半夜醒來,聽了一會(huì)兒收音機(jī) 。
n. 密集,密度,透明度