strawberry jam
草莓酱
recipes for jams and preserves
果酱和蜜饯的制作方法
a jam doughnut
果酱炸面圈
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。
There's a paper jam in the photocopier.
复印机卡纸了。
They refused to settle for a promise of jam tomorrow.
他们并不满足于那些美好未来的空话。
They refused to settle for a promise of jam tomorrow.
他们并不满足于那些美好未来的空话。
He jammed his fingers in his ears.
他用手指使劲堵住耳朵。
A stool had been jammed against the door.
门被一把凳子顶住了。
The photocopier keeps jamming up.
这台复印机总是卡纸。
There's a loose part that keeps jamming the mechanism.
有个零件松了经常卡住机器。
The valve has jammed shut.
阀门给卡住了打不开。
He jammed the door open with a piece of wood.
他用一块木头卡住门让它开着。
Six of us were jammed into one small car.
我们六个人被塞进一辆小汽车里。
We were jammed together like sardines in a can.
我们像罐头里的沙丁鱼一般紧紧挤在一起。
The cupboards were jammed full of old newspapers.
橱柜里塞满了旧报纸。
Nearly 1 000 students jammed into the hall.
近 1 000 名学生挤到礼堂里。
Viewers jammed the switchboard with complaints.
打电话投诉的观众使总机应接不暇。
The car skidded as he jammed on the brakes.
他紧急刹车时汽车向前滑了一段路。
The car skidded as he jammed on the brakes.
他紧急刹车时汽车向前滑了一段路。
1.抑制
2.收报时的干扰;人为干扰
3.扰乱台,干扰台
1.“jam”的现在分词
1.The present participle of jam
1.If the intensity of the jamming source nearly equals to that of target's radiation, the jamming can be achieved.
干扰辐射强度近似等于目标辐射强度，即可实现干扰。
2.Marcus : We were jamming all day. It sure takes it out of you.
马卡斯：我们整天在制果酱，这工作实在使人疲乏。
3.Jamming on the brake, he pulled a young walnut seedling out of his cold frame and asked me if I knew which one it was.
他急踩刹车，从玻璃温室中拿出一株幼小的胡桃树苗，问我是否知道它是哪种树苗。
4.It had a programmable INS guidance system and an analog radar seeker with some anti-jamming capabilities.
它有一个可编程惯导系统和一个可以对抗一定噪声干扰的模拟式雷达引导头。
5.Gen. Stanley McChrystal told reporters at the Pentagon that the jamming devices had not hurt U. S. troops on the battlefield thus far.
StanleyMcChrystal少校在五角大楼告诉记者们，这些干扰器至今并没有破坏美军部队的行动。
6.Unfortunately, the enemy is equipped with a jamming unit, so we expect radar effectiveness to be reduced.
不幸的是，敌人拥有雷达干扰，所以我们的雷达效能将有所降低。
7.The answer seems to be that their bodies are simultaneously jamming down hard on both the accelerator and the brake.
这看上去似乎他们的身体在同时地猛踩油门和刹车。
8.Deceive jamming is one of jamming methods to SAR. But it is hard to put into practice for big amount of computation.
欺骗式干扰是对合成孔径雷达的干扰方式之一，由于计算量大，因此很难实施。
9.The design concept of a radar deceptive jamming modulator is presented, and its implementation structure based on FPGA is put forward.
提出了一种雷达欺骗干扰信号调制器的设计方案，给出了其在可编程门阵列（FPGA）中的实现结构。
10.One jamming technique was to blind the other's radar receiver by transmitting noise, pulse bars ( "railings" ) or other disruptive patterns.
其中一种干扰技术是向对方的雷达接收器发送噪音，光栅或其他形式的杂波使其瞎掉。