jam的復(fù)數(shù)形式是直接加s，即jams。jam可作名詞和動詞兩種詞性，基本含義為“果醬”、“堵塞”、“卡住”、“不能動彈”、“塞進”、“干擾”、“即興演奏”、“使勁往某處擠”。
jam的中文意思及用法介紹
jam可作名詞和動詞，意為果醬;擁擠;堵塞;卡住(因而發(fā)生故障)；使勁(往某處)擠(或壓、塞);(使)卡住，不能動彈，不能運轉(zhuǎn);塞入;塞進;擠進;擠滿;（發(fā)射無線電波）干擾;即興演奏。例句有：
1、The bus was delayed in a five-mile jam.
公共汽車因長達五英里的交通堵塞而延誤。
2、Cut the cake in half horizontally and spread jam on one half.
把蛋糕橫切成兩半，把果醬涂在半面上。
3、There's a loose part that keeps jamming the mechanism.
有個零件松了經(jīng)常卡住機器。
4、The company's lines have been jammed all day with people making complaints.
公司的電話整天都因人們打投訴電話而占線。
5、I can't get the door open ─ it's completely jammed.
我打不開門——卡死了。
6、Hundreds more people were waiting outside the jammed stadium.
還有數(shù)百人在擁擠不堪的體育場外等候。
7、There is a new device for cars that warns drivers of traffic jams ahead.
有一種新的汽車裝置可提醒司機前面有交通堵塞。
8、She sat in the car, silently fuming at the traffic jam.
她坐在汽車?yán)铮闹袑煌ǘ氯械绞謵阑稹?/p>
9、Hundreds of fans jammed the switchboard for over an hour.
在一個多小時里，好幾百個崇拜者打去電話，交換臺應(yīng)接不暇。
10、Have some of my plum jam ─ but mind out for the stones.
嘗嘗我的李子醬——但得當(dāng)心有核兒。
