The assistant took the book and checked the price on the back cover.店员拿起书，核对了一下封底的定价。Back cover - map and address. address format to be same as name card.封底 - 地图和地址. 地址格式相同名片.And the screen need a back cover.且屏体一般需要加后盖....

Backley的音标：...

cut back on的音标：cut back on的英式发音音标为：[kʌt bæk ɔn]cut back on的美式发音音标为：[kʌt bæk ɑn]...

in back of的音标：in back of的英式发音音标为：[in bæk ɔv]in back of的美式发音音标为：[ɪn bæk ʌv]...

hydrocracker的音标：hydrocracker的英式发音音标为：['haɪdrəˌkrækə]hydrocracker的美式发音音标为：['haɪdrəˌkrækə]...

n.（受怀疑、受冷遇等的）黑名单vt.把（某人）列入黑名单...

n.强烈反应，佣金，回扣...

backsliding的音标：backsliding的英式发音音标为：['bækslaɪdɪŋ]backsliding的美式发音音标为：[]...

The small British crowd roared themselves hoarse, waving their Union Jacks.一小群英国人挥舞着国旗，吼得嗓子都沙哑了。Hydraulic jacks under the machine produce the movement.是机器下面的液压千斤顶造成的移动.The front end is equipped with hydraulic jacks used ...

backhand的音标：backhand的英式发音音标为：['bækhænd]backhand的美式发音音标为：['bækˌhænd]...

...

cutback的复数形式为：cutbacks...

Inflationary pressures continued to slacken last month.上个月，通货膨胀的压力继续减小。Muscles stretch, slacken and relax during child-birth.生孩子的时候，肌肉会拉抻、放松，然后松弛下来。We've been really busy, but things are starting to slacken off now....

n.逆光v.背后照明( backlight的现在分词 )...

漫滩沼泽...

Jacky stood, watching the hobo walk away, still poised to follow.杰基站住了, 看着流浪汉离去, 但是仍做着跟随的准备.Mum stressed that Jacky should be home by ten o'clock.妈妈强调,杰基一定要在十点钟之前回家.I turned to Jacky, my nostrils flaring in disgust....

You'd be surprised at the amount that boy can pack away in a single day.这个男孩子一天的饭量会叫你大吃一惊的.Pack away all of your photos and personal items.把所有您的照片和个人物品打包....

n.驯马用的一种笼头，套索...

n.洗劫( sack的名词复数 )，大袋，麻袋，床...

n.手提包，旅行包...

backcrossing的音标：...

The trench will be backfilled and reinstated to the original condition upon completion of works.在建造工程竣工后,电缆壕坑将被回填至原状.Cement piles ( diameter 600 mm ) are foreseen under slab and inside the backfilled river.地坪下和回填河道内采用直径6...

幕后投影，背景放映...

flashback的复数形式为：flashbacks...

锰铁钒铅矿...

She has a knack of landing herself right in the soup.她老是让自己的处境很尴尬。"I have a knack for making friends, you know," she added meaningfully.“你知道，我交朋友有一套的，”她故意补充说。It's easy, once you've got the knack.你一旦掌握这个技能就容易了。...

gimcrack的音标：gimcrack的英式发音音标为：['dʒɪmkræk]gimcrack的美式发音音标为：['dʒɪmˌkræk]...

packet的音标：packet的英式发音音标为：['pækɪt]packet的美式发音音标为：['pækɪt]...

gripesack的音标：gripesack的英式发音音标为：[ɡ'raɪpsæk]gripesack的美式发音音标为：[ɡ'raɪpsæk]...

The model follows Weibull distribution, and in considering shortage whole backlogging and partial backlogging are distinguished.其中商品的退化率服从韦伯分配, 并且缺货期间的缺货数量则考虑全部待补及部分待补两种情形....