baseball (n.) in the modern sense, 1845, American English, from base (n.) + ball (n.1). Earlier references, such as in Jane Austen's "Northanger Abbey," refer to the game of "rounders," of which baseball is a more elaborate variety. Legendarily invented 1839 by Abner Doubleday in Cooperstown, N.Y. Base was used for "start or finish line of a race" ...
Noun. 1. a ball game played with a bat and ball between two teams of 9 players; teams take turns at bat trying to score run; "he played baseball in high school". "there was a baseball game on every empy lot". "there was a desire for National League ball in the area".
baseball [ 'beisbɔ:l ] n. a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs. "he played baseball in high school"; "there was a baseball game on every empty lot". 同义词： baseball game. a ball used in playing baseball.
棒球（Baseball），是球类运动项目之一。是以金属棒击球进行攻守对抗的竞技项目 。 
baseball, game played with a bat, a ball, and gloves between two teams of nine players each on a field with four white bases laid out in a diamond (i.e., a square oriented so that its diagonal line is vertical). Teams alternate positions as batters (offense) and fielders (defense), exchanging places when three members of the batting team are “put out.”
jim is a baseball player. jm 是一名棒球运动员 有不会的可以再问我
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mlb是韩国f&f旗下街头生活运动品牌   ，拥有150年历史的经典传统，是街头文化和国际生活方式的领导者。  mlb以浓郁的棒球文化为背景，以美国街头时尚文化为元素，成为潮流运动领域的领导者——平均每6.3秒钟便售出一顶mlb cap  。
3、bear 读音：英 [beə(r)] 美 [ber] n. 熊 v. 忍受；负荷；结果；证实；生子女 The bear has lived up to his reputation for stupidity. 这只熊果然名不虚传，笨得出奇。 4、baseball 读音：英 ['beɪsbɔːl] 美 ['beɪsbɔːl] n. 棒球 Rain interrupted our baseball game.