bactericidal

a.杀菌的

backslide, backsliding, backspace, backstage, backstroke, backtrack, backup, backward, backward(s), backwardness, backwards, backwards (also backward), backwash, backwater, backwoods, backwoodsman, backyard, bacon, bacteria, bacterial, bacteriologist, bacteriology, bacterium, bad, bad debt, bad lands, bad language, bad-mouth, bad-tempered, baddy, bade, badge, badger, badinage, badly, badminton, badness, baffle, bafflement, baffling,