- (British English)
a small container made of paper or card in which goods are packed for selling （商品的）小包装纸袋，小硬纸板盒 
a packet of biscuits/cigarettes/crisps 一包饼干／香烟／炸薯片
Oxford Collocations Dictionaryadjective- empty
- cereal
- cigarette
- …
- open
- contain something
- soup
- on a/the packet
- packet of
a small object wrapped in paper or put into a thick envelope so that it can be sent by mail, carried easily or given as a present （邮政）小件包裹 Oxford Collocations Dictionaryadjective- empty
- cereal
- cigarette
- …
- open
- contain something
- soup
- on a/the packet
- packet of
- (North American English) (British English sachet)
a closed plastic or paper package that contains a very small amount of liquid or a powder （塑料或纸质）密封小袋 
a packet of instant cocoa mix 一袋混合速溶可可粉
Oxford Collocations Dictionaryadjective- empty
- cereal
- cigarette
- …
- open
- contain something
- soup
- on a/the packet
- packet of
- [singular] (British English, informal)
a large amount of money 一笔巨款 - (
computing 计算机 a piece of information that forms part of a message sent through a computer network 信息包；数据包 The data transmission is split into a number of packets of equal size. 数据传输被分成许多大小相等的数据包。
- (North American English)
a set of documents that are supplied together for a particular purpose 一套文件；一套资料 a training packet 一套培训材料 My kids have summer math packets from their schools. 我的孩子有从学校带回来的暑期数学作业要做。
Word Originmid 16th cent.: diminutive of pack, perhaps from Anglo-Norman French; compare with Anglo-Latin paccettum.