闭塞

1. stop up; close up

♦ 鼻孔~ with one's nose stuffed up

2. hard to get to; out-of-the-way; inaccessible

♦ 以前这一带交通~。 In the past this district was very hard to get to.

3. unenlightened

♦ 消息~ ill-informed

4.电blocking

~信号 [铁路]block signal