Instead of looking for work, he preferred to bat around.

他不去找工作做，宁愿到处游荡。

Around streetlights in leafy suburbs, what often seems like a moth at first glance may, in fact, be a small bat.

在绿树成荫的郊区，街灯周围经常有乍一看像是飞蛾的东西，事实上可能是一只小蝙蝠。

Either the squirrel thought the bat was a threat to it, or to its young if they were around, or to a food source.

或者这只松鼠认为那只蝙蝠在周围对它有威胁，或者对它的孩子有威胁，或者对食物的来源有威胁。

As the bat zooms in on its quarry the sounds may increase in frequency to around 200 sounds per second.

当蝙蝠飞向所追求的目标时，其发出声音的频率可以增加，达到每秒发声200次左右。

The ordinary bat that flies around at night, a remarkable nimble creature in the air, cannot take off from a level place.

夜间四处飞翔的普通蝙蝠在空中异常灵巧敏捷，但却无法从水平面上起飞。