bacteria

n.(pl.)细菌

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