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077&078-Terrible Toothache

Audio & Text(音频及原文)

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Vocabulary (词汇)

1. Appointment /əˈpɔɪntmənt/ (n.): 约定,预约

Do you have an appointment?

2. Urgent /ˈɜːrdʒənt/ (adj.): 紧急的

It's very urgent. I feel awful.

3. Toothache /ˈtuːθeɪk/ (n.): 牙痛

I have a terrible toothache.

4. Awful /ˈɔːfl/ (adj.): 可怕的,糟糕的

I feel awful.

5. Busy /ˈbɪzi/ (adj.): 忙碌的

The dentist is very busy at the moment.

Grammar (语法)

1. Using "Must" for Necessity (表示必要)

在表达必要性或紧急情况时,我们常用"must"来表示某事是必须要做的。
句型结构:
主语 + must + 动词原形

  • I must see the dentist now.(我现在必须看牙医。)
  • You must come at 10 a.m. on Monday.(你必须在星期一早上10点来。)

Examples:

  • You must see a dentist if you have a toothache.(如果你有牙痛,必须看牙医。)
  • I must go to work tomorrow.(我明天必须去工作。)

2. Using "Can" for Ability or Permission (表示能力或许可)

Can表示能力或是否有许可。用于询问是否可以做某事,或者表示某人有能力做某事。
句型结构:
主语 + can + 动词原形

  • Can you come at 2 p.m.?(你能在下午2点来吗?)
  • Can the dentist see me now?(牙医现在能见我吗?)

Examples:

  • Can you speak English?(你会说英语吗?)
  • He can play the guitar very well.(他吉他弹得很好。)

3. Using "Can't" for Prohibition or Impossibility (表示禁止或不可能)

Can't表示某事不能做,通常用于表达禁止或者不可能发生的情况。
句型结构:
主语 + can't + 动词原形

  • I can't wait till this afternoon.(我不能等到下午。)
  • The dentist can't see me now.(牙医现在不能见我。)

Examples:

  • You can't park here.(你不能在这里停车。)
  • I can't go to the party tonight.(我今晚不能去参加聚会。)

4. Talking About Time (谈论时间)

Using Time Expressions (使用时间短语)

  • At + 点钟(表示具体的时间)

    • Can you come at 10 a.m.?(你能在早上10点来吗?)
    • We will meet at 3 p.m.(我们将在下午3点见面。)
  • In + 时间段(表示时间的范围)

    • I have an appointment in the morning.(我有一个上午的约会。)
    • The dentist will be free in 30 minutes.(牙医30分钟后有空。)
  • On + 日期(表示具体日期)

    • I must see the dentist on Monday, April 24th.(我必须在4月24日星期一看牙医。)

Examples:

  • I will call you at 9 a.m. tomorrow.(我明天早上9点打电话给你。)
  • He will see the doctor on Wednesday.(他将在星期三看医生。)

5. Expressing Difficulty or Urgency (表达困难或紧急情况)

  • It's very urgent.(这非常紧急。)
  • I feel awful.(我感觉很糟糕。)
  • It's very busy at the moment.(现在非常忙。)

Examples:

  • It's urgent to see the dentist.(看牙医是紧急的。)
  • I feel awful after the long trip.(长途旅行后我感觉很糟糕。)

Extension (扩展)

1. Common Phrases with "Must" (常见的“Must”短语)

English Phrase中文解释English Example中文翻译
Must see a doctor必须看医生You must see a doctor if you're sick.如果你生病了,必须看医生。
Must wait till必须等到You must wait till the dentist is free.你必须等到牙医有空。
Must come at (time)必须在某个时间到You must come at 10 a.m. on Monday.你必须在星期一上午10点来。
Must do (something)必须做某事I must do my homework now.我现在必须做作业。
Must not (verb)不可以做某事You must not forget your appointment.你不可以忘记你的约会。

2. Talking About Health and Well-being (谈论健康和身体状况)

English Phrase中文解释English Example中文翻译
Toothache牙痛He has a toothache.他牙痛。
Headache头痛She has a headache.她头痛。
Feel awful感觉很糟糕I feel awful after that meal.我吃完那顿饭后感觉很糟糕。
Urgent health problem紧急的健康问题It was an urgent health problem.这是一个紧急的健康问题。
Very busy非常忙碌The doctor is very busy at the moment.医生现在非常忙。

Lesson 78

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