adj.公认的v.承认( acknowledge的过去式和过去分词 )，鸣谢，对…打招呼，告知已收到...

ackemma的音标：ackemma的英式发音音标为：[æ'kemə]ackemma的美式发音音标为：[æ'kemə]...

减少，剪[裁，缩]短，追述，急转方向...

We had to backtrack to the corner and cross the street.我们不得不原路返回到拐角处过街。Can we just backtrack a little bit and look at your primary and secondary education?我们能不能回过头来谈谈你的小学和中学教育？Air cargo loading problem by backtrack algor...

clack的音标：clack的英式发音音标为：[klæk]clack的美式发音音标为：[klæk]...

blacken的现在进行时为：blackening...

It was Brently Mallard who entered , a little travel - stained, composedly carrying his gripsack and umbrella.走进来的正是布伦特·马兰德, 看上去风尘仆仆, 漫不经心的拎着他的旅行袋跟雨伞.It was Brently Mallard who entered , a little travel stained, composed...

If you love life, life will love you back.热爱生活，生活也会厚爱你。We'll go to a meeting in Birmingham and come straight back.我们将去伯明翰参加会议，然后马上回来。The rescuers were beaten back by strong winds and currents.救援人员因风浪太大而被迫中断工作。...

cracked的音标：cracked的英式发音音标为：[krækt]cracked的美式发音音标为：[krækt]...

adj.（体力劳动）艰苦繁重的，累死人的...

vt.重击，使劲打，分配，击败，削减n.重击，一份儿，尝试，状况...

attacker的复数形式为：attackers...

It may already be too late to draw back.现在收回诺言或许为时太晚了.Neither side can draw back from the agreement once the contract is signed.合同一旦签订,任何一方都不准反悔.I have committed myself now and cannot draw back.我已经做了承诺,无法反悔....

barracks的音标：barracks的英式发音音标为：['bærəks]barracks的美式发音音标为：[]...

They entered the shop, which was a curious ramshackle building.他们进了商店，那是幢年久失修的奇特建筑。At the big ramshackle Baffles Hotel Rule dropped their bags.鲁尔把他们的行李卸在庞大的摇摇欲坠的拉福尔斯旅馆里.T - Bag and Self arrive at a ramshackle storefront ...

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I tried not to think about it. I blacked it out.我尽量不去想它，竭力要将它忘掉。Samadov said that he felt so ill that he blacked out.萨马多夫说他感觉很不舒服，然后就晕了过去。Their mother was trying to hide her two blacked eyes.他们的母亲想遮住自己被打青的双眼。...

quack的音标：quack的英式发音音标为：[kwæk]quack的美式发音音标为：[kwæk]...

be packed with的音标：be packed with的英式发音音标为：[bi: pækt wið]be packed with的美式发音音标为：[bi pækt wɪð]...

slacken的第三人称单数（三单）为：slackens...

adj.（工作）秘密的，在幕后进行的，，（人）幕后的n.密室...

acknowledgement的反义词有：denial。n.acknowledgement的反义词（承认;自认）：denial。...

blacklung的音标：blacklung的英式发音音标为：[blæk'lʌŋ]blacklung的美式发音音标为：[blæk'lʌŋ]...

racks的音标：...

haversack的复数形式为：haversacks...

background的复数形式为：backgrounds...

hacker的复数形式为：hackers...

I finally hoisted him up with a block and tackle.我最终用滑轮组把他拉了上去。The ropes were tensioned using block and tackle.绳子通过滑轮拉紧.Block and tackle: Combination of pulleys with rope or cable, commonly used to augment pulling force....

back的复数形式为：backs...

adj.流氓的，粗鄙的...