名词（河面上）漂浮原木造成的阻塞; （因事情太多造成的）困境，僵局

1. 阻塞：logistics 后勤学 | logjam 阻塞 | lognitudinal 纵向的

2. 卡住原木：logiccircult 逻辑电路 | logjam 卡住原木 | logkicker 原木推送机

3. 为许多圆木材所阻：logistics 后勤 | logjam 为许多圆木材所阻 | loglog 重对数

1. 僵局；困局；死局
To break the logjam means to change or deal with a difficult situation which has existed for a long time.

e.g. A new initiative was needed to break the logjam.
要打破僵局，就需要采取新的行动。

noun

1. an immovable mass of logs blocking a river

2. any stoppage attributable to unusual activity

e.g. the legislation ran into a logjam