- [uncountable, countable]
a thick sweet substance made by boiling fruit with sugar, often sold in jars and spread on bread 果酱 strawberry jam 草莓酱 a jar/pot of jam 一罐/一罐果酱 recipes for jams and preserves 果酱和蜜饯的制作方法 - (British English)
a jam doughnut 果酱炸面圈
Oxford Collocations Dictionaryadjective- home-made
- apricot
- raspberry
- …
- dollop
- jar
- pot
- …
- make
- spread (something with)
- jar
- doughnut
- sandwich
- …
- bread and jam
- [countable]
a situation in which it is difficult or impossible to move because there are so many people or vehicles in one particular place 拥挤;堵塞 The bus was delayed in a five-mile jam. 公共汽车因长达五英里的交通堵塞而延误。 As fans rushed to leave, jams formed at all the exits. 因球迷都急于离开,所有出口都给阻塞了。 We were stuck in a jam for an hour. 我们被困了一个小时。
- [countable]
a situation in which a machine does not work because something is stuck in one position Topics Engineeringc2卡住(因而发生故障) - JAM, Jam(in the UK)
used by the media to describe people who do not have much money to live on (the abbreviation for just about managing)卡纸: 被媒体用来形容没有多少钱可以赖以生存的人(仅用于管理的缩写)JAMs may be in work, but are struggling to pay for essentials such as food, heating or rent. JAMs可能在工作,但正在努力支付食物、暖气或房租等必需品。
sweet food甜食
many people/vehicles人多;车多
machine机器
people人
Word Originnoun senses 2 to 3 early 18th cent.: probably symbolic; compare with cram noun sense 1 mid 18th cent.: perhaps from jam (verb).
Idioms
be in a jam
- (informal)
to be in a difficult situation 陷入困境
jam tomorrow
money for jam/old rope
- (British English, informal)
money that is earned very easily, for something that needs little effort 容易赚的钱财 The job only took about an hour—it was money for jam. 这项工作只花了大约一个小时——真是物超所值。