bat speed
(baseball) The speed of the bat during a swing.
(historical, 1949–1990) The Federal Republic of Germany, distinguished from the German Democratic Republic (East Germany).
East Germany
(transitive with of) To make an effort.
The secretome of the endomembrane and endoderm
スイング中のバットの速度を上げると、打球初速が大幅に向上することがある。
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