smack的复数形式为：smacks...

The President's tactics could backfire.总统的策略可能会适得其反。A victory for Mr Bush and the internationalists could easily backfire.胜利,对于布什总统和国际主义者来说,极容易事与愿违.Don't criticize the students or it may backfire on you.不要总是批评学...

track的一般过去时为：tracked...

backdoor的音标：backdoor的英式发音音标为：['bækdɔ:]backdoor的美式发音音标为：['bækˌdɔr, -ˌdor]...

They went backpacking in Spain last year.他们去年背着背包在西班牙旅行。What advice does Luciano give David about backpacking in Europe?关于在欧洲背包徒步旅行,Luciano给了大卫哪些建议?Your review must be about gear that directly relates to backpacking.你的测评...

backstroke的反义词有：crawl。n.backstroke的反义词（仰泳）：crawl。...

bracket的近义词/同义词有：brace, support, couple, enclose, relate, join, relate, couple, support, brace, supporter, join, shelf, enclose。n.bracket的近义词（托架,撑架）：brace, support。vt.bracket的近义词（围住;相提并论）：couple, enclose, relate, join。br...

" You can carry that blue knapsack. I'll take the tan one and the tripod. "“ 你可以帮着拿那个蓝背包, 我拿那个土黄色的和三脚架. ”Franklin placed the warm scarf Debbie had knitted for him in the top of his knapsack.富兰克林把黛比为他织的暖和的围巾放在背包的最上层....

n.掷回，挫折，阻止，大倒退...

n.黑板...

backlog的现在进行时为：backlogging...

backlight的现在完成时为：backlighted...

hacked的音标：hacked的英式发音音标为：[hækt]hacked的美式发音音标为：[hækt]...

n.（提供航天飞行中维持生命所需一切物品的）生命包...

put sth back的音标：...

Tack them together with a 1.5 cm seam...用 1.5 厘米的针脚将它们暂时缝上。Tack them together with a 1.5 cm seam.用1.5厘米的针脚将它们暂时缝上。The captain ordered a change of tack.船长下令改变航向。Tack the cord around the cushion.用粗线沿着垫子边绷一圈。As Prufrock vac...

The song, included on the " Notting Hill " movie soundtrack, hit number one on the UK charts.这首歌收录在《诺丁山 》 电影原声大碟, 曾荣登英国排行榜榜首.It took the musicians two and a half days to record their soundtrack for the film...乐师们花了两天半的时间...

package的现在进行时为：packaging...

n.赌注，头奖，最大成功，积累的赌金，困境...

aback的反义词有：forward, ahead, ahead, forward。adv.aback的反义词（向后）：forward, ahead。aback的反义词（其他释义）：ahead, forward。...

jack的一般过去时为：jacked...

backlog的一般过去时为：backlogged...

Now your phone can help you rack up savings all over town!现在你的手机能帮你在全镇到处省钱了!Rack up directly on the cement foundation, non - embedded I - beam .机架直接放在水泥地基上, 不预埋 工字钢.The home team rack up fifty point in the football game....

bracket的复数形式为：brackets...

backstage的音标：backstage的英式发音音标为：[ˌbæk'steɪdʒ]backstage的美式发音音标为：['bæk'stedʒ]...

haversack的音标：haversack的英式发音音标为：['hævəsæk]haversack的美式发音音标为：['hævərsæk]...

backwater的复数形式为：backwaters...

blacken的现在完成时为：blackened...

n.黄麻袋，麻包...

n.用具，装备，索具，阻挡，阻截队员vt.着手处理，[橄榄球]擒住并摔倒（一名对方球员），给（马）配上挽具vi.擒住并摔倒一名对手...