clog /klɔɡ/ I. n.［c］木底鞋；障碍：They found the tax to be an unacceptable clog on the market.他们发现税收是不受市场欢迎的累赘。‖II. vt.& vi. 障碍，阻塞：The road to the airport is clogged with traffic.去机场的路交通阻塞得很厉害。