v.理解( latch的过去式和过去分词 );纠缠;用碰锁锁上(门等);附着(在某物上);
例句:
She latched on to your notion.
她理解你的意见.
The dog latched onto the stick and would not drop it.
那条狗叨紧那棍子,不会扔掉.
It wasn't long before everyone latched onto what was happening.
不久,人人都明白发生了什么事情.