The broadband FM signals and the narrowband CF signals travel out to a target, reflect from it, and return to the hunting bat.

宽带 FM 信号和窄带 CF 信号传输到目标，从目标反射回来，然后返回猎蝠。

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So the bat sends out these pulses, very focused bursts of sound, and echoes bounce back.

所以蝙蝠发出这些脉冲，一种非常集中的声波，然后回声就会反弹回来。

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If a batter gets three strikes, he loses his turn at bat and is called out.

VOA: special.2009.04.12

But Kevin Pietersen loves the big occasion and was visibly bristling as he rushed out to bat from the dug-out.

BBC: Jonathan Agnew column

He only hit .202 in Double A, striking out about one at bat out in four, while playing (to be kind) a less-than-average outfield.

FORBES: When To Fire Yourself

Hopefully we'll get through that and then set our stall out to bat the day.

BBC: England ready to fight for draw, says batsman Cook