“扑空”怎么读

“扑空”的英语可以翻译为：fail to get or achieve what one wants，fail to meet sb. one intends to meet，come away empty-handed，fan the air ...

昨天我去找他, 又扑空了.Yesterday I went to see him, but again he wasn't home.给了若干个与T-1LF拓扑空间等价的条件.The equivalent conditions in ? T - 1 L ? fts are given in this paper.给了若干个与T - 1LF拓扑空间等价的条件.The equivalent conditions in ? T - ...