spackle的音标：spackle的英式发音音标为：['spækl]spackle的美式发音音标为：['spækəl]...

thumbtack的音标：thumbtack的英式发音音标为：['θʌmtæk]thumbtack的美式发音音标为：['θʌmˌtæk]...

depacketize的音标：depacketize的英式发音音标为：[de'pækɪtaɪz]depacketize的美式发音音标为：[de'pækɪtaɪz]...

v.露宿( bivouac的现在分词 )...

adj.椅背成梯状的...

attacker的音标：attacker的英式发音音标为：[ə'tækə(r)]attacker的美式发音音标为：[ə'tækər]...

leatherback的音标：leatherback的英式发音音标为：['leðəbæk]leatherback的美式发音音标为：['leðərbæk]...

I want all these pictures sent to London. Will you send for the packers?我要把这些画都运到伦敦去, 你去找几个包装工人来好 吗 ?He launched an attack on the meat packers, beginning with a thorough investigation of the industry.他从彻底调查工业情况入手,发动了对肉类罐...

pack off的音标：pack off的英式发音音标为：[pæk ɔf]pack off的美式发音音标为：[pæk ɔf]...

F 1 females could be backcrossed to the male homozygous recessive parent.也可用雌性F1与隐性纯合雄性亲本回交....

Will entertained himself by driving backcountry to the family farm.威尔惬意地驱车经过偏僻的乡村,向自家的农场驶去.Backcountry travel may involve travel over both trails and off - trail areas.野外行进包括在小径上和小径以外通过.The following natural surfaces res...

n.黑心病（植物组织内部变黑的疾病）...

花费，向后移，拨慢，推迟...

循规蹈矩...

adj.用笔写的，印刷的，黑白混合的...

outback的音标：outback的英式发音音标为：['aʊtbæk]outback的美式发音音标为：[ˌaʊt'bæk]...

Tack the cord around the cushion.用粗线沿着垫子边绷一圈。In desperation I changed tack.我走投无路，于是改变了策略。Tack them together with a 1.5 cm seam.用1.5厘米的针脚将它们暂时缝上。...

Some food labelling practices really get my back up.有些食物标签的贴法实在让我生气。He booted the ball 40 yards back up field.他一脚踢出40码远，把球踢回前场。Alternative treatments can provide a useful back-up to conventional treatment.替代疗法能为传统的治疗提供有效...

v.在丛林中开路，在丛林中伏击...

adj.（体力劳动）艰苦繁重的，累死人的...

backwater的复数形式为：backwaters...

backfeed的音标：backfeed的英式发音音标为：['bækfi:d]backfeed的美式发音音标为：['bækfid]...

Mack made his voice quiver with fear on these last two words.麦克说出最后这两个字时，吓得声音颤抖。The little girls had locked themselves in upstairs because Mack had been mean to them...小姑娘们把自己锁在楼上，因为麦克对她们很刻薄。Mack knew this passage by hea...

" You'll need kindling and medium wood and logs and backlogs.“ 点火柴、引火柴、原木、垫底的,你都用得着. ”The F . B . I. and the inspector general disagreed over how to measure those backlogs.对于怎么衡量这些积压的东西,FBI和检察长持不同意见....

n.垛，干草堆，（一排）烟囱，层积，整个的藏书架排列，书架vt.& vi.堆成堆，垛，堆起来或覆盖住，洗牌作弊，秘密事先运作...

wacky的比较级为：wackier...

whack的现在进行时为：whacking...

His colleagues were aghast at the sackings.他的同事们对于这些解雇感到很吃惊。He described talk of sackings as scare stories.他说人们谈起解雇犹如在讲恐怖故事。Those may take the form of sackings redundancies, temporary layoffs or retirements.这些形式有开除,作为编余人...

This issue is creating unrest on the backbenches.这一问题引发了后座议员的不满。...

kickback的复数形式为：kickbacks...