吃透英语课本，提升在校竞争力
n. 厚木底皮鞋；木屐
v. 堵塞；妨碍
现在分词：clogging
第三人称单数：clogs
过去式：clogged
过去分词：clogged
复数：clogs
tourists whose cars clog the roads each summer
每年夏天开着汽车堵塞道路的游客
The drain is clogged.
下水道堵塞了。
v.阻塞；障碍
choke with
plug up
n.障碍；木底鞋
obstacle
let
bar
dam
stop
