n.澳洲土人...

n.装煤麻袋，(Coalsack)煤袋（银河的黑暗区域）...

crackdowns的音标：...

blacklisting的音标：...

n.乘用马，出租马车，操贱役的人( hackney的名词复数 )...

They were decked out in tracksuits, seemingly to dissimulate their true function.他们都穿着田径服，似乎想掩饰他们的真实职能。For tracksuits you need material with plenty of stretch.做田径服需要用弹性强的料子....

n.回式针迹，来回针脚vt.& vi.用回式针迹缝...

backstroke的音标：backstroke的英式发音音标为：['bækstrəʊk]backstroke的美式发音音标为：['bækstroʊk]...

cracker的音标：cracker的英式发音音标为：['krækə(r)]cracker的美式发音音标为：['krækɚ]...

sack的现在进行时为：sacking...

hijack的近义词/同义词有：seize, kidnap, abduct, steal, commandeer, carjack, skyjack, control, pirate。v.hijack的近义词（抢劫,拦路劫持）：seize, kidnap, abduct, steal, commandeer, carjack, skyjack, control。hijack的近义词（其他释义）：pirate。...

Whether loose in a teapot or placed in an infuser , leaves should never be packed.不管是用茶壶还是冲茶器,茶叶都不能过量.She packed her son off to school and then went out herself.她把儿子打发到学校, 然后自己出去了。He was packed off to school in Nova Scot...

adj.无精打采的，不决断的，不热心的adv.无精打采地，不决断地，不热心地...

jacketed的音标：jacketed的英式发音音标为：['dʒæktɪd]jacketed的美式发音音标为：['dʒæktɪd]...

Backley的音标：...

bracketed的音标：bracketed的英式发音音标为：['brækətɪd]bracketed的美式发音音标为：['brækətɪd]...

反加热，回热...

backpedal的一般过去时为：backpedaled...

backdraught的音标：backdraught的英式发音音标为：['bækdrɑ:ft]backdraught的美式发音音标为：[]...

adj.充满…的，塞满了…的v.包装(pack的过去式和过去分词)...

n.洗劫( sack的名词复数 )，大袋，麻袋，床...

Backhaul traffic: Goods carried on a return journey.回运: 货物的回程运输.Platen backhaul height can be set in a random manner , therefore reducing the spare travel.压板回程高度可任意设定, 减少了空行程....

n.高射炮，对空炮火，（剧团、公司等的）宣传员，广告...

n.可拆式钻头，活钻头，岩心钻头，凿岩机钎子...

These machines would relieve the peasants of their backbreaking labour.这些机器可以把农民从繁重的体力劳动中解放出来.That's backbreaking work and may be too much for us.这可是累人的工作,我们可能负荷不了.Digging the garden is a backbreaking job.翻整花园的地是件累人...

backfired的音标：...

flashback的复数形式为：flashbacks...

锰铁钒铅矿...

It's so easy to lose track of who's playing who and when.很容易就忘记谁要和谁比赛，什么时候比。His mind would wander, and he would lose track of what he was doing.他会走神，忘了自己正在干什么。The farmer has so many chickens, he can often lose ...

backflash的音标：backflash的英式发音音标为：['bækflæʃ]backflash的美式发音音标为：['bækflæʃ]...