Sleeping policeman
n. “隐身警察”, 道路上使车辆减速的坎坎
📖 牛津释义
sleeping policeman
(infml 口) bump built across a road to make drivers slow down 路埂（横设於道路上的隆起物, 可使司机减速）.
🧩 词语组成解析
sleeping
[['sli:piŋ]]
n. 睡眠\\na. 睡着的
🗣️ 情景例句
Marriage is an institution not to be taken lightly.
婚姻是个不能儿戏的体系。
To row a boat
划小舟
She stamped out the letters 'SOS' in the snow.
她在雪地上踩出了“SOS”这3个字母。