n.空白；消失；堵塞；打孔
动词blank的现在分词形式.
Er, let me think. Sorry, my mind's gone blank. 让我想一想。抱歉，我大脑一片空白。
I've filled in this form incorrectly. Can I have another blank? 我把表格填错了.
My mind/memory was a (complete) blank I couldn't think of a single answer. 我头脑[记忆]里(完全)是一片空白--连一个答案也想不出。
