piece,bit,article它们的用法与区别．

1. 一般性的表示个数的量词:
这一组中主要有piece, bit, item, article 等词,但piece具有独特的地位,在使用其他词的地方一般都可使用piece 代替之.比如:
piece a piece of meat/paper/bread/music/information/furniture/machinery, etc. 一片肉/一张纸/一片面包/一首曲子/一条信息/一件家具/一台机器等
bit a bit of news/wood/advice/trouble, etc. 一条消息/一块木头/一条建议/一件麻烦事等
item an item of news/crime/program/business, etc. 一条新闻/一宗罪行/一个项目/一笔生意等
article an article of export/ furniture/ clothing/ luggage, etc. 一宗出口/一件家具/一件衣服/一件行李等

piece
KK: []
DJ: []
n.
1. 一个,一张,一片;一块[C][(+of)]
Could you give me a piece of paper?
你能给我一张纸吗?
2. 部分,片断,破片[C]
3. (构成一组东西的)一个,一件;棋子[C]
4. (艺术)作品;曲,篇[C]
The pianist played a piece by Chopin.
钢琴家演奏了一曲肖邦的作品。
5. 一则消息,报导[S1]
Here is a good piece of news for you.
有个好消息要告诉你。
6. (商品的)单位;(布等的)一匹,一卷[C]
7. 钱币[C]
8. 工作量,产量[the S]
vt.
1. 拼凑;拼合[(+together)]
2. 修理;修补[(+up)]
She's piecing the torn dress.
她在补被撕破的衣服

bit1
KK: []
DJ: []
n.[C]
1. 小片,小块,小段[(+of)]
The dog was pulling the newspaper to bits.
狗把报纸撕成了碎片。
2. 少量,一点点[(+of)]
She is out to do a bit of shopping.
她出去买点东西。
3. 一会儿,片刻[(+of)]
Please wait a bit.
请稍等片刻。
4. 【口】老一套
5. 【美】【口】一角二分半钱
6. 某种程度,某种数量[S]
bit2
KK: []
DJ: []
(bite的过去式和过去分词)
bit3
KK: []
DJ: []
n.[C]
1. (马)嚼口;马勒
2. (烟斗等的)咬嘴
3. 钻头
4. (刨)刃;(钥匙的)齿
5. 约束
vt.
1. 给(马)上嚼口
2. 约束,抑制
bit4
KK: []
DJ: []
n.
1. 【电脑】字节[C]
article
KK: []
DJ: []
n.[C]
1. (物品的)一件;物品;商品
She had several articles of clothing in her bag.
她手提包内有几件衣物。
2. 文章;论文
He has written an article for the magazine.
他已给该刊撰写了一篇文章。
3. 条款,条文
Article 15 of the constitution deals with this problem.
宪法的第十五条款谈此问题。
4. 冠词
The article is a part of speech in the English language.
冠词是英语的一种词类。
vt.
1. 订约将...收为学徒[(+to)]
Phil was articled to a firm of lawyers.
菲尔签约在一家律师事务所当见习生。