stealth

秘密；秘密行动；鬼祟英释中释nwhen you do something very quietly, slowly or secretly, so that no one notices you

1 by stealth,偷偷地；暗中

2 stealth aircraft,隐形飞机

3 stealth bomber,隐形轰炸机

1 Cats rely on stealth to catch their prey..猫科动物靠偷袭捕捉猎物。