jams
[dʒæmz]
n.
短裤睡衣，宽短裤;
拥挤( jam的名词复数 );
果酱;
灌篮;
困难的处境;
v.
（使）塞紧( jam的第三人称单数 );
发生故障;
夹住;
（使）卡住;
例句:
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recipes for jams and preserves
果酱和蜜饯的制作方法
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Stationary cars in traffic jams cause a great deal of pollution.
交通堵塞中静止不动的汽车产生了大量污染。
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Building more motorways and by-passes will help the environment by reducing pollution and traffic jams in towns and cities.
建造更多的高速公路和绕城道路能够减少城镇中的污染和交通堵塞，有利于改善环境。
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Concern about traffic jams pushed some local shoppers away.
来自WSJ
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Don't you have jams where you come from?
来自NEWYORKER
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But traffic jams are still a daily phenomenon.
来自BBC