n. nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate
n. (baseball) a turn trying to get a hit
n. a club used for hitting a ball in various games
v. strike with, or as if with a baseball bat
n. 蝙蝠, 球棒
v. 用球棒打, 眨眼
[计] 成批