Increment 2 is the largest effort ever undertaken to augment the lethality of the B-2 weapon system.

增量2项目是美军有史以来规模最大的研发工作，以增加B - 2武器系统杀伤力。

youdao

Forget those B vitamins some drinks tout as their secret weapon.

忘了那些维他命b之类的吧，一些饮料经销商把这当做他们的秘密武器。

youdao

B. Ok, I surely will defeat you, cos I have new weapon.

行，我一定能打败你，因为我有新的武器了。

youdao

So heavy is it that the weapon bays of B-2 stealth bombers have had to be strengthened to carry it.

ECONOMIST: Bunker-busting

Boeing received a contract in 2009 to fit the weapon on the U.S.'s B-2 Stealth Bomber.

WSJ: Pentagon Seeks Mightier Bomb vs. Iran