A puma at large
be at large 潜逃
The escaped prisoners are still at large.
逃犯还没有落网
课文中表示“看”或者“看见”的词语
When reports came into London Zoo that a wild puma had been spotted forty-five miles south of London……
…people who claimed to have seen the puma…
…the puma was often observed at one place…
spot 表示看见了容易看见的东西，或者发现了正在寻找的东西
see 比校常用的“看见”
observe 比see更加书面化一点
I spotted someone coming out of the building.
As the evidence began to accumulate, experts from the Zoo felt obliged to investigate…f
feel obligated to do 必须有责任有义务做什么事情
must , have to
I felt obliged to invite him.我觉得必须邀请他
The hunt for the puma began in a small village where a woman picking blackberries saw ‘a large cat’…
hunt 追寻/打猎
go on a deer/ fox hunt猎鹿/猎狐
the hunt for the remains of the Titanic搜寻Titanic 的残骸
hunt for second-hand books寻找二手书
job-hunting找工作
The hunt for the puma began in a small village where a woman picking blackberries saw ‘a large cat’…
pick 采摘
pick cotton摘绵花
We need to pick someone reliable.我们需要找一个可靠的人
pick and choose 挑挑拣拣
A puma will not attack a human being unless it is cornered.
cornere: be force into a situation that it is not easy to escape 陷入困境，被逼得走逃无路
The search proved difficult.
Prove: turn out to be证明是，原来是 (作不及物动词)
prove
They proved her innocence.他们证实是无辜的（这里的prove作及物动词）
The rumour proved false.谣言被证明是错误的（这里的prove作不及物动词）
Puma fur was found clinging to bushes.
cling to :hold to something tightly /stick to something tightly粘住
cling-clung-clung
cling to
His wet shirt clung to his body. 他的湿衬衫贴在身。
当cling to 后面跟的宾语表示的是某种思想，信念，感情时，它的意思是固守，坚持
She cling to the belief that her husband will come back.她固执地相信她的丈夫会回来。
Several people complained of ‘cat-like noises’ at night…
complain of报告，诉说
complain
complain about the weather 抱怨天气不好
complain of a headache 诉说头痛的事
It is disturbing to think that a dangerous wild animal is still at large in the quiet countryside.
disturb: interrupt 扰乱；打扰；破坏
Sorry to disturb you.对不起打扰你了
Do not disturb.请勿打扰
disturb：cause to feel anxious令人不安，令人担扰（课文也是这个意思）
His strange behaviour disturbed me.他举止反常使我很担心
simple sentence简单句
compound Sentence并列句
complex sentence 复杂句
这篇课文主要由复杂句组成
However, as the evidence began to accumulate, experts from the Zoo felt obliged to investigate, (主句)for the deions given by people who claimed to have seen the puma were extraordinarily similar.
当英文中表达客观事实的时候，往往使用的是被动语态，如以下句子
When reports came into London Zoo that a wild puma had been spotted…
The puma was often observed at one place in the morning and at another place…
Paw prints were seen …and puma fur was found clinging to bushes.
As no puma had been reported missing from any zoo in the country…
a pet person养宠物的人
environmentalist 环保主义者
Environmentalists don’t think wild animal should be kept in cages.
game park 野生动物园
保护频临灭绝动物组织
Organization to protect animal from extinction.
