開かい幕まく投とう手しゅかいまくとうしゅじ字FuriganaMeanings1nounopening-game pitcherbaseball›Baseball term for the starting pitcher in the first game of a season or series.今こんシーズンの開かい幕まく投とう手しゅは山やま田だ投とう手しゅに