后退， （对方因被击败而）退却...

backward的音标：backward的英式发音音标为：['bækwəd]backward的美式发音音标为：['bækwərd]...

slack的比较级为：slacker...

Each Blackfoot tribe was divided into several hunting bands led by one or more chiefs.每一黑脚人部落分为若干狩猎群组,由一名或多名首领领导.Blood : a tribe of the Blackfoot confederacy inhabiting southern alberta.布拉德族: 在南艾伯塔居住的黑脚族的一支部落....

All I could hear was the steady clacking of a solitary typewriter.我所能听到的一切是一部孤零零的打字机不断发出的噼啪声.She heard his footsteps clacking along the concrete pavement.她听到他的脚步声啪嗒啪嗒地沿水泥人行道走去.Stop clacking your pencils!别弄得铅笔噼啪乱响!...

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。...

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

跳爆竹...

jackdaws的音标：...

v.改变主意，变卦，背弃诺言( backpedal的第三人称单数 )...

manpack的音标：manpack的英式发音音标为：['mænpæk]manpack的美式发音音标为：['mænpæk]...

backbencher的音标：backbencher的英式发音音标为：[ˌbæk'bentʃə(r)]backbencher的美式发音音标为：[ˌbæk'bentʃər]...

Ingredient: Hackmatack and mint etc.主要成份: 杜松、薄荷、水解蛋白、丝氨酸.Ingredient: Hackmatack and walnut grain etc.主要成份: 杜松、核桃粒子、木瓜酵素、海藻精华.The result shows that hackmatack, koyama spruce and elm have a better capability of detaining d...

backroll的音标：backroll的英式发音音标为：['bækrəʊl]backroll的美式发音音标为：['bækroʊl]...

backyards的音标：backyards的英式发音音标为：['bækjɑ:dz]backyards的美式发音音标为：['bækjɑdz]...

backsaw的音标：backsaw的英式发音音标为：['bæksɔ:]backsaw的美式发音音标为：['bæksɔ]...

We watched her munch through two packets of peanuts.我们看她津津有味地嚼了两包花生米.The packets are measured to reduce waste.包裹的大小经过测量以减少浪费。...cornflake packets, bottles, and all the flotsam and jetsam of the kitchen.玉米片包装盒、瓶瓶罐罐和厨房里各种杂...

keep back的音标：keep back的英式发音音标为：[ki:p bæk]keep back的美式发音音标为：[kip bæk]...

...

n.（雄鸡等家禽颈上的）长羽毛，（狗的）颈部的毛，锯齿形，颈上的羽毛，针排( hackle的名词复数 )...

backfire的第三人称单数（三单）为：backfires...

track的复数形式为：tracks...

blackamoor的音标：blackamoor的英式发音音标为：['blækəmɔ:(r)]blackamoor的美式发音音标为：['blækəˌmʊr]...

They will be concerned to cut back expenditure on unnecessary items.他们将会考虑削减不必要的开销。Water allotments to farmers were cut back in the drought.在干旱时期配给农民的水量减少。Overgrown deciduous shrubs can be cut back at this time of year.过...

Someone had coloured in all the black and white pictures.有人给所有的黑白照片都上了色。The hip-hugging black and white polka-dot dress was the height of fashion.黑白圆点花纹的紧身连衣裙当时是最时尚的。A black and white police car cruised past.一辆黑白相间的警车缓慢驶...

hack的一般过去时为：hacked...

adj.秘密的...

backtracked的音标：...

shackle的现在完成时为：shackled...

A fast backprojection algorithm for Computerized Tomography ( CT ) fan - beam reconstruction is proposed.提出了一种用于扇束CT ( 计算机断层扫描 ) 重建的快速滤波反投影算法....