blackguard的复数形式为：blackguards...

tackling的音标：tackling的英式发音音标为：['tæklɪŋ]tackling的美式发音音标为：['tæklɪŋ]...

n.堆垛v.堆积( stack的现在分词 )...

backtrace的音标：backtrace的英式发音音标为：['bæktreɪs]backtrace的美式发音音标为：['bæktreɪs]...

backfill的现在完成时为：backfilled...

This guy, Jack Smith, does he go by the name of Jackal?这个叫杰克·史密斯的家伙是不是还有个名字叫杰凯尔？With a deprecatory grunt , the jackal again complied.豺狗表示抱歉地哼了哼, 照办了.Tiny Duffy was Willie's loyal political jackal.小达菲是威利忠实的政治走卒....

He ordered them to stack up pillows behind his back.他命令他们把几个枕头叠放在自己的背后。They said they were going to stack the court with anti-abortion judges.他们说将会往法院中安排一些反对堕胎的法官。I have a stack of emails in my inbox.我的收件箱里有很多电邮。...

brackishness的音标：brackishness的英式发音音标为：[b'rækɪʃnəs]brackishness的美式发音音标为：[b'rækɪʃnəs]...

The main drawback to it is the cost.它的主要缺点是成本高。Everything has its drawback.事事不免有缺点.He felt the apartment's only drawback was that it was too small.他觉得这个公寓唯一的缺点就是太小了。...

n.杰克逊（美国密西西比州首府）...

He could no longer hold back convulsive laughter.他再也忍不住，前俯后仰地大笑起来。She kept trying to hold back her tears.她一直在试图抑制住眼泪。She closed her eyes tightly in a vain attempt to hold back the tears.她紧闭双眼，却无法忍住眼泪。...

灰背类动物...

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...

Help me to load the sacks onto the cart.帮我把货装到这辆车上.The sacks of rice were swarming with bugs.一袋袋的米里长满了虫子.I bought three sacks of rice.我买了三袋米....

v.（使）积压( backlog的现在分词 )，储存，（为日后装运而）登账确认（订货）...

Our correspondent Stephen Sackur has just returned from the camps on the border.我们的通讯记者斯蒂芬·萨克刚从边境的营地回来。...

v.露宿( bivouac的现在分词 )...

v.向…提供营房（或棚屋）( barrack的过去式和过去分词 )，使住入营房（或棚屋），大叫，喝倒彩起哄...

n.记录...

Four of the cast jacked it in about Christmas.圣诞节前后剧组中有4个人退出了。The bridge was high, jacked up on wooden piers.桥很高，被几个大木墩托起。They jacked up the car.他们用千斤顶托起了汽车。...

hackman的音标：hackman的英式发音音标为：['hækmæn]hackman的美式发音音标为：['hækˌmæn]...

n.脊梁骨，脊椎，分水岭，支柱，决心，毅力...

We delved through a sackful of letters to draw the winning name.我们把手探进一袋信件中抽取获奖者。We delved through a sackful of letters to draw the winning name...我们把手探进一袋信件中抽取获奖者。Letters and cards of support have been pouring in by the...

take sth back的音标：...

Such a vicious lie could be nothing but a stab in the back.这样一种恶毒的谎言简直是暗箭伤人.Such a vicious lie is nothing but a stab in the back.这种恶毒的谎言完全是暗箭伤人.Such a vicious lie could be nothing but stab in the back.这样的恶毒谎言简直是背地里向人捅刀子....

...the 100 metres backstroke.100米仰泳比赛Sometimes I use breaststroke, backstroke, and free style.有时游蛙泳 、 仰泳和自由泳.I get water in my ears when swimming the backstroke.仰泳时,我耳朵总是进水.Peter : Tedhere are freestyle, backstroke, butt...

date back to的音标：date back to的英式发音音标为：[deit bæk tu:]date back to的美式发音音标为：[det bæk tu]...

hackled的音标：...

flapjack的复数形式为：flapjacks...