今天我们要学的词组是clog。Clog是木底鞋，木屣。作为动词， clog也有障碍和阻塞的意思，比如排水管堵塞了， The drain was clogged. 车辆堵塞了高速公路， Heavy traffic clogged the highway. 还比如，黎巴...
