In the experiments, the symmetric and antisymmetric modes, S1 and A1, were excited to detect hidden corrosion defect respectively using pitch-catch technique.

实验中，采用了一发一收法，并分别激励了对称模态s1和反对称模态A 1对该缺陷进行了检测。

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The catcher wanted the pitcher to pitch out and see if they could catch the runner stealing.

捕手要投手投出一个远球，以看看他们是否能捉到盗垒的人。

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Our centers of gravity are actually off-center, and we essentially pitch forward as we step, only to catch ourselves with our next step.

我们的重心实际上是偏离中心的，我们基本上是前倾的，我们一步，只赶上我们与我们的下一个步骤。

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After a wild pitch, Revere ran a long way to catch Ike Davis' shallow fly to left-center.

WSJ: Phillies use long ball to beat Mets 7-3

In the first Test, on as a substitute, Tredwell took a stunning catch at short mid-wicket off the only delivery he was on the pitch for.

BBC: England happy with eight-wicket haul in Bangladesh

Francona, re-energized from a one-year sabbatical in the broadcast booth after his ugly 2011 exit in Boston, will catch a ceremonial first pitch from his dad, Tito, who played outfield for the Indians from 1959-64.

WSJ: Cleveland abuzz for Indians, Yankees opener