today的用法1：today用作不可数名词时,意思是“今天”,只指白天,不指黑夜。一般用作主语,用作定语时多用其所有格。today还可作“现在,当代”解。
today的用法2：today等于on this day,故其前不可再加介词on。
today的用法3：today用作副词时,表示“在今天,在今日”,只指白天,不指晚上,没有比较级和最高级。today还可表示“现今,在当代”。
today的用法4：today用在间接引语中,应改为that day。
today的用法5：today next week〔month,year〕表示“一周,一月或一年后的今天”。
today的常用短语：
用作名词 (n.)
here today and gone tomorrow
(指人)飘浮不定; 短暂 ephemeral〔present〕 for only a short time
It's difficult to find a window cleaner who will call regularly—they all seem to be here today and gone tomorrow. 要找一个能定期上门来擦窗户的人很难——他们似乎都是些行踪不定的人。
today的用法例句：
1. As a group, today's old people are still relatively deprived.
总的来说，当今的老年人依然相对贫困。
2. There has been a busy start to polling in today's local elections.
今天地方选举的投票一开始就人头攒动。
3. Today I might hesitate to turn in a burglar.
现在让我把入室窃贼送交警方，我可能会有所顾虑。
4. Return the enclosed Donation Form today in the prepaid envelope provided.
请于今日将随函附上的捐款表格用所提供的邮资预付的信封寄回。
5. Today's Security Council resolution will be a significant success for American diplomacy.
今天的安理会决议对于美国外交而言是一次重大的成功。
6. Today was really a bit of a write-off for me.
今天对我来说真的有点儿白白浪费了。
7. The French government today called for an end to the violence.
如今法国政府呼吁结束暴力行为。
8. Today he is formally announcing his candidacy for President.
今天他将正式宣布参加总统竞选。
9. Meetings held today produced little in the way of an agreement.
今天举行的会议基本没有达成什么协议。
10. A bomb planted in a garbage can exploded early today.
今天早些时候，安放在垃圾箱里的一枚炸弹爆炸了。
11. Today's organic wine producer is typically a small, quality-conscious family concern.
现今的有机葡萄酒生产商一般是注重品质的小型家族企业.
12. A convoy of United Nations trucks rolled into Sarajevo today.
今天一支联合国卡车车队开进了萨拉热窝。
13. The British Labor Party concludes its annual conference today in Brighton.
英国工党的年度会议今天在布赖顿闭幕。
14. The government have not been able to turn today'sdemonstration to their advantage.
政府未能把今天的游行示威转为己用。
15. The standard of living today is on the edge of subsistence.
现在的生活水平几乎快要无法维持生计。
