If a student does not attend all the classes, s/ he will not be allowed to take the exam.

In figure 24 'D' denotes quantity demanded and 'S' denotes quantity supplied.

在图24中，D代表需求量而S代表供应量。

Talk to your doctor and see if s/ he knows of any local groups.

和你的医生谈谈，看其是否知道一些当地的组织。

At this year's I/ O Conference, a company showed a new voice technology able to produce such a convincing human-sounding voice that it was able to speak to a receptionist and book a reservation without detection ．

在今年的“开放中创新”大会上,一家公司展示了一种新的语音技术,能够产生以假乱真的人声,能够通话并预定房间

Blood type O is the most common around the world.

O型血是世界上最常见的。

Open thy doors, O Lebanon, that the fire may devour thy cedars. 1

黎巴嫩哪，开开你的门，任火烧灭你的香柏树。

O God!

我的天！

THE SCHOOL HEALTH FORMS had been distributed to the students with an error--the word "Sex" had been spelled with an "o".

某学校发给学生的健康调查表里有个错别字——把“性别”的“性”字写成了“袜”字。

Spring up, O well, and give to me.

涌流，哦，泉源，赐给我。

If thou, Lord shouldest mark iniquities, O Lord, who shall stand? 3

主―耶和华啊，你若究察罪孽，谁能站得住呢

I was busy trying to bulls-eye the "O" in the stop sign with a rock.

那时我正全神贯注于用一块石头瞄准停车牌上的O。

Spring up, O well, and make me whole!

涌流，哦，泉源，使我得完全！

O God!; Good Heavens!

天乎！

We'll stop now and resume at two o' clock.

我们现在停下来，到两点再干。

We bless your holy name, O Lord.

主啊，我们颂扬您的圣名。

He said that people with type A blood are usually calm and serious; people with type B blood are cheerful and outgoing; people with type O blood are generous and honest; while those with type AB blood are often caring and creative.

他说，A型血的人通常冷静严肃；B型血的人愉悦开朗；O型血的人大方诚实；而AB型血的人则往往充满爱心和创造力。

He's got an O level in Russian.

他通过了俄语普通证书考试。

She took six subjects at O level.

她参加了六门课程的普通证书考试。

Most, O maid ’ s child, thy choice and worthy6 the winning.

最美，哦少女的孩子，你的选择和赢得的相称。

These clocks were popular in the Middle East and China but they failed o keep accurate time.

这些钟在中东和中国很受欢迎，但它们显示的时间不准确。

He didn't know that water and H ₂ O are one.

他不懂水和H₂O分子式是一回事。