back:后退,支持;同义词:retreat,support;反义词:oppose
bait:诱饵,诱惑物,v,引诱,诱惑同义词:trap,lure,tempt;
bald:秃头的,秃的;不加掩饰的,赤裸的;同义词:hairless,bare,naked
ban:禁止,取缔;同义词:forbid,prohibit,bar;反义词:allow,permit,approve
bar:条,块,棒;酒吧,酒柜,闩(门、窗等);禁闭,封锁,阻拦,禁止;同义词:pole,rod,stick,saloon,counter;ban,block,forbid,prohibit,exclude;反义词:admit
base:基地,底座,基础,根据,活动的据点,v,把…建立在某种基础上(on,upon);同义词station,headquarters;build,found,establish;反义词:top,peak;
benefit:益处,好处;(生病,年老失业时的)补助金,救济金;义演义卖;v有益于;得益,得到好处(by,from);同义词:good,interest,profit;反义词:harm,damage,loss
benign:善良的,宽厚的慈祥的;(病等)无危险的;(肿瘤等)良性的;有利的,吉利的,温和的,宜人的;同义词:kind,merciful,gentle,mild,favorable;反义词:malicious,menacing,threatening;
bewilder:使迷惑,迷惑住,难住;同义词:confuse,puzzle;反义词:clarify,enlighten
bizarre:奇形怪状的,异乎寻常的,怪诞的;同义词:strange;反义词:normal,ordinary,regular
blackmail:敲诈,勒索;v向……勒索,斜坡;同义词:extort,racketeer
blast:一阵(风),一股(气流),吹奏,突然爆发出的响声,爆炸,爆破;v.爆炸,猛烈抨击;同义词:gust,explosion,blowout,burst
blasted:枯萎的,遭破坏的,该死的
bleak:荒凉的,冷酷的,严峻的;没有希望的,凄凉的;同义词:bare,chilly,cold,dismal,gloomy;反义词:warm,promising
bloom:开花,花草丛生,生长茂盛,处于青春焕发时期,n花朵,开花期,茂盛时期;同义词:flower,flourish,blossom;反义词:fade,wither;
blunder:(由于愚蠢,无知,粗心等造成的)大错,跌跌撞撞地走,把……搞得一团糟;同义词mistake,stumble
blunt:钝的;率直的,不拐弯抹角的,v(使)钝;使减弱;同义词:dull,frank,outspoken,straightforward;反义词:sharp,keen(锐利的)
bold:勇敢的;冒失的,结实的,黑体的,粗体的;同义词:brave,courageous,rude;反义词:shy,timid,cowardly,polite
boost:推动,激励,提高,增长;广告,宣扬,v推动,提高,增加,使增长;替……做广告;同义词:raise,increase,promote;
booster:积极的支持者,热心的拥护者
boycott:联合抵制,拒绝参加;同义词:strike,revolt,ban;反义词:admit,support
breach:破坏,违反侵害,破裂,v破坏,攻破,在…造成缺口;同义词:break,gap,violation,open;反义词:observance,solidarity,unity
break:词组太多了,需要单独记忆
bring:词组太多了,需要单独记忆
brisk:轻快地,生气勃勃的;兴隆的,繁忙活跃的;同义词:swift,active,quick,energetic,vigorous;反义词:dull,inactive,slack
brittle:易碎的,一碰就破的,冷淡的,靠不住的,易变的;近义词:breakable,fragile,frail,cold;反义词:strong,warm
browse:(牲畜)吃草,吃(on);随便翻阅,随意观看,n浏览;近义词:eat,feed,graze,glance(at,or over),run(through or over),thumb(through),skim(through),scan
bruise:青肿,挫伤;伤痕,擦痕,凹痕,v打青,碰伤;同义词:injury,hurt,injure,scatch,wound;
bully:恃强凌弱者 ,横行霸道者,恶霸,威吓,欺侮;同义词:annoy,harass,tease,bother,intimidate,menace,threaten