`jam` 在英语中有多个含义,具体取决于上下文。以下是一些常见的用法:
果酱(n.)
例句:I bought some jam for breakfast.
拥挤(adj.)
例句:The train was jam-packed with passengers.
交通堵塞(n.)
例句:I'm stuck in a traffic jam.
困境或 窘境(n.)
例句:He found himself in a difficult jam.
使机器部件无法运转的东西(n.)
例句:The old machine can't work because of a jam in its gears.
干扰无线电信号(vt.)
例句:The radio signal was jammed by interference.
把……塞入或 把……完全填满(vt.)
例句:She jammed the jar with cookies.
请根据您考研准备的具体内容,选择合适的解释进行记忆和使用。