corrugate

详细解释:vt. 使起皱, 成波状
vi. 起皱
a. 有皱的, 起皱的, 波状的

词型变化：

动词过去式:corrugated过去分词:corrugated现在分词:corrugating第三人称单数:corrugates形容词:corrugated

英语解释：

动词 corrugate:

fold into ridges

例句：

His brow corrugated with the effort of thinking.他皱著眉头用心地思考。