Left()

英语单词(以下结果由译典通提供词典解释 以下结果来自互联网网络释义 以下结果来自有道词典翻译)

Left()

Left()

功能得到字符串左部指定个数的字符。

语法Left ( string, n )

参数string：string类型，指定要提取子串的字符串n：long类型，指定子串长度返回值String。函数执行成功时返回string字符串左边n个字符，发生错误时返回空字符串（""）。如果任何参数的值为NULL，Left()函数返回NULL。如果n的值大于string字符串的长度，那么Left()函数返回整个string字符串，但并不增加其它字符。

例如，在学生课表course中，分别有cno,cname,cpno,credit四列。其中有一项记录为：1，数据库，5，4。在SQL分析器中输入：

INSERT course

(cno,cname,cpno,credit)

select'0001'+left(cno,1),cname,cpno,credit

from course

go

此时course表中会多出一条记录：00011，数据库，5，4。

英语单词

以下结果由译典通提供词典解释

left

(leave的过去式和过去分词)

left

形容词 a.

1.左方的;左侧的[Z][B]

Some people write with their left hand.

有些人用左手写字。

2.(常大写)(政治上)左派的;左翼的

副词 ad.

1.在左边;向左

Walk three blocks and then turn left at the corner.

走过三个街区然后向左转。

名词 n.

1.左,左边[the S]

John was seated on her left.

约翰坐在她的左边。

2.(常大写)左派;激进分子们[the S][G]

The left oppose the tax increase.

左翼人士反对增税。

3.(拳击中的)左拳[C]

动词 v.

1.造成

When this irregular breath hits your voice box,you're left with a big hiccup.

当不规则的气流撞击你的喉咙，就会造成你打一个大大地嗝。

以下结果来自互联网网络释义

Left

1.左；左侧；左视图

3DMAX中英文对照（3dmax命令）大全...

Left左；左侧；左视图

2.跑动方向键左

按键翻译（锁定防守篇） - 〖NBA2K9...

Left 跑动方向键左

left

1.左后卫

体育英语《体育英语词汇和术语》 - 英语学...

left 左后卫

以下结果来自有道词典翻译

left[left] vt.

leave的变形

left[left] adj.

1. 左的；左边的；左侧的；左手的；左半身的；左方的

2. 左岸的

3. 左翼的；左派的；“左”倾的；急进的；激进的

n.

1. 左边；左侧；左部；[ the left]左方

2. 左侧的东西

3. 向左转；左转弯

4. [ the left] 【政治】左派；激进派议员(在欧洲立法机关中常坐在议长席左侧，故名)

5. 【军事】左翼

6. [美国英语](船的)左舷

adv.

向左边；在左边

left[left] leave的过去式和过去分词

leave[li:v] vt.

1. 离开，离去；从…走开；脱离：例：He has left Beijing for London.

他已经离开北京到伦敦去了。

He left his hometown and looked for a job in town.

他离开家乡到城里找工作。

2. 留；剩下：例：She left some of the food for her husband.

她给丈夫留了一些吃的。

3. 留下；将…留下：例：The secretary asked him to leave his telephone number.

秘书要他把电话号码留下来。

4. (死后或离开后)把…留给；遗赠给：例：His uncle left $10 000 in the will.

他舅舅在遗嘱中留下10 000美元。

5. 死后留下；遗留下：例：He left a widow and two children.

他死后撇下寡妻和两个孩子。

6. 留下；丢下；忘带：例：I left my dictionary in the library.

我把词典丢在图书馆里了。

7. 委托；交托；交由…照管：例：You'd better leave this up to me.

你最好把这件事交给我办吧。

He left his son to his sister.

他把儿子交由他姐姐照管。

8. 搁置；不管；忽略；暂不解决：例：We'll leave this item till the next meeting.

我们把这个议题放到下次会议讨论。

9. 辞去(工作)；舍弃；停止；拒绝：例：take it or leave it

取舍悉听尊便

He left medicine for law.

他放弃医学改学法律。

10. 剩余；剩下：例：3 from 7 leaves 4.

7减3余4。

15 minus 5 leaves 10.

15减5得10。

11. 使…处于(某种状态)；听任；让：例：Leave the windows open. It's so stuffy here.

让窗子开着，这儿太闷热了。

The earthquake left them homeless.

地震让他们无家可归。

12. [方言、俚语]让；允许：例：Leave them go.

让他们走。

vi.

离去，离开；出发，动身：例：When we got to the railway station, the train had left.

我们到火车站时，火车已经开走了。

He leaves for work at 7 every morning.

他每天早上7点钟离家去上班。

变形:

vt.leftleaving

leftn.

1. location near or direction toward the left side; i.e. the side to the north when a person or object faces eastshe stood on the left

2. those who support varying degrees of social or political or economic change designed to promote the public welfare

3. the hand that is on the left side of the bodyjab with your left

4. the piece of ground in the outfield on the catcher's leftthe batter flied out to left

5. a turn toward the side of the body that is on the north when the person is facing easttake a left at the corner

adj.

1. being or located on or directed toward the side of the body to the west when facing northmy left hand left center field the left bank of a river is bank on your left side when you are facing downstream

2. not used upleftover meatloaf she had a little money left over so she went to a movie some odd dollars left

3. intended for the left handI rarely lose a left-hand glove

4. of or belonging to the political or intellectual left

adv.

toward or on the left; also used figurativelyhe looked right and left the political party has moved left

以上来源于: WordNet