精讲课 笔记随视频锁定
现实情况

右侧笔记支持独立滚动。边听名师连读拆解,边对照右侧的语法事实与统计数据笔记。

After a long period of rain the river may overflow its banks.

a long period of 长时间的..、长期的...

  • This crisis might last for a long period of time.此次危机可能会持续很长一段时间。
  • She died after a long period of increasing frailty. 她日益虚弱,经过一段长时间后去世了。
  • There followed a long period of confusion and muddle. 接下来是很长一段时间的困惑和混乱。
  • She returned to work after a long period of incapacity她病了很长一段时间之后回去工作了。
  • Be sure to do some eye exercises to relax your eyes after you study for a long period of time在长时间学习后,一定要做眼保健操来放松眼睛。

This is a rare occurrence as our climate seldom goes to extremes.

This is a rare occurrence… 正式表达(名词更庄严)

  • This is a rare occurrence as our climate seldom goes to extremes. 由于这里的气候很少出现极端,所以这是很罕见的情况。
  • However, this is a fairly rare occurrence, and it only wastes a little memory. 不过,这种情况极少发生,而且它只会浪费少量内存。
  • Vandalism used to be a rare occurrence here. 过去这里很少发生故意破坏公物的事。
This rarely / seldom occurs. 正式表达(动词) This situation rarely occurs. 该情况很少发生。

a rare / common / regular / everyday occurrence  …发生(修饰名词)

  • Laughter was a rare occurrence in his classroom.
  • Unfortunately, computer errors are a common occurrence
  • Street-fights are an everyday occurrence in this area of the city. 

go to extremes 走极端

seldom go to extremes 很少走极端 They seldom go to extremes in their views. 他们在看法上很少走极端。
Our climate is usually moderate. 课文写法替换

We are lucky in that only the lower fields, which make up a very small proportion of our farm, are affected by flooding, but other farms are less favourably sited, and flooding can sometimes spell disaster for their owners.

a high / large proportion / percentage of大部分、大多数

  • A large percentage of students passed the exam with excellent scores.大部分学生以优异成绩通过了考试。
  • A large proportion of old people live alone. 一大部分老人都是独居。
  • A high percentage of the female staff are part-time workers. 女职员中,兼职工作的人占很高的比例。
  • A high proportion of five-year-olds have teeth in poor condition. 五岁儿童牙齿不健康的比例高。
a small / tiny proportion / percentage of … 小部分 Only a tiny / small proportion / percentage of the population lives in rural areas. 只有很少一部分人口居住在农村地区。
a majority of … 大多数 A majority of the team supports the new strategy. 团队的大多数人支持这个新策略。
a vast/ great / overwhelming majority of … (绝大多数) The overwhelming majority of voters are in favor of the new policy. 绝大多数选民支持新政策。
a minority of … 少数 A minority of employees disagreed with the decision. 少数员工不同意这个决定。
a small / tiny minority of … 极少数 Only a tiny minority of participants had complaints about the event. 只有极少数参与者对活动提出了不满。

spell v. to cause sth.bad to happen in the future 招致,导致

  • If the irrigation plan goes ahead, it could spell disaster for the birds. 如果该灌溉计划继续的话,这对鸟类可能预示着灾难。
  • There has been a long spell of dry weather. 干旱天气已持续很长一段时间了。

spell disaster / trouble / danger for … 招致…

  • The lack of rain could spell disaster for farmers. 
  • This cold weather could spell trouble for gardeners.
  • Ignoring climate change could spell disaster for future generations. 忽视气候变化可能会为未来几代人带来灾难。