(1)順番または連続の中で1番目の次にくる
(2)following the first in an ordering or series
(3)following the first in an ordering or series; "he came in a close second"
さらに詳しく
(1)米国軍航空機
(2)B−は爆弾を示す
(3)United States military aircraft; B- stands for bomber
