bitterness

n.痛苦，悲伤

bishop, bishopric, bismuth, bison, bistro, bit, bit by bit, bit part, bitch, bitchiness, bitchy, bite, biting, bitingly, bits, bitten, bitter, bitter-sweet, bitterly, bittern, bitters, bittersweet, bitty, bitumen, bituminous, bivalve, bivouac, bizarre, bk, blab, blabber, blabbermouth, black, black and blue, black art, black box, black coffee, black comedy, black economy, black eye,