6.supplanted n.硫酸灰分

7.presume vt.以为; 假定

例句：You had better presume no such thing.

你最好不要这样设想。

8.ecstatic adj.狂喜的;入迷的

例句：She was absolutely ecstatic when I told her the news.

当我把这个消息告诉她时, 她兴奋极了。

9.deteriorate vi.恶化, 变坏,退化

例句：Idle houses deteriorate.

闲置不用的房子会渗漏衰败。

1.A police captain taking part in the operation said they were determined to stop the violence.

be determined to决心,决定

例句：We must be determined to win in our anti-factionalist struggle.

我们一定要下决心搞好反派性的斗争。

2.Yet while criminals insist on not accepting our presence, we will continue, and we have enough resources to stay for a long time.

insist on坚持; 强调

例句：He insisted on his demand.

他坚持他的要求。

He insists on discipline in the classroom.

他一贯强调课堂纪律。

3.There has been international concern over its use for some time, with Canada declaring Bisphenol-A toxic in September.

sometime vs. some time vs. sometimes

sometime: (过去的)某一时候；来日，改天

I stayed in Taichung sometime last summer. 去年夏天某个时候，我待过台中。