blacklist的现在完成时为：blacklisted...

Gainsborough is known as an unemployment blackspot.众所周知，盖恩斯伯勒失业严重。...

Blackland element with fertility taller and celebrated, but come for years its fertility drops apparently.黑土素以肥力较高而著称, 但多年来其地力明显下降....

backbitten的音标：backbitten的英式发音音标为：['bækbɪtən]backbitten的美式发音音标为：['bækbɪtən]...

n.黑色鞋油，黑色涂料v.弄脏( black的现在分词 )，使变黑，抵制，把黑油彩抹在（演员）脸上...

Some sparks from a passing train set the haystack on fire.一列过往火车迸发出的一些火花点着了干草堆.Looking for them now is like fishing for a needle in a haystack!这回要在庄稼地里搜捕,那不是海底捞针!To look for a needle in a haystack.草垛里找针(大海捞针)....

jackknife的一般过去时为：jackknifed...

n.走车牵伸，迭层轧光揉布工艺，套料，顶起，顶升...

To mutilate or disfigure by battering, hacking, cutting, or tearing.乱切,乱打用击打 、 压 、 切或撕的方式使残缺不全或形状破损.The children could be seen hacking across the hillside on their ponies.可以看到孩子们正骑着小马穿过山坡。The newspapers say there's ...

I have received neither an acknowledgment nor a reply.我未收到任何复函或答复。This public acknowledgment of Ted's disability pained my mother.这一下大家都知道了特德的残疾，这让母亲非常痛苦。Grateful acknowledgment is made for permission to reprint.为获准...

循规蹈矩...

backlog的一般过去时为：backlogged...

拿回， 收回， 带回， 认错...

talk back的音标：talk back的英式发音音标为：[tɔ:k bæk]talk back的美式发音音标为：[tɔk bæk]...

v.（鸭子）发出嘎嘎声( quack的现在分词 )...

n.抢劫者，劫持者，劫机者，劫匪...

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

bivouacking的音标：bivouacking的英式发音音标为：['bɪvu:ˌækɪŋ]bivouacking的美式发音音标为：['bɪvuˌækɪŋ]...

backfilling的音标：backfilling的英式发音音标为：['bækfɪlɪŋ]backfilling的美式发音音标为：['bækfɪlɪŋ]...

ransack的音标：ransack的英式发音音标为：['rænsæk]ransack的美式发音音标为：['rænˌsæk]...

tackle的现在进行时为：tackling...

n.跑道，赛马场，赛车场...

lack的音标：lack的英式发音音标为：[læk]lack的美式发音音标为：[læk]...

acknowledgment的音标：acknowledgment的英式发音音标为：[ək'nɒlɪdʒmənt]acknowledgment的美式发音音标为：[æk'nɑlɪdʒmənt]...

在…后面...

v.回填（挖掘的洞穴）( backfill的现在分词 )，充填...

shack的复数形式为：shacks...

v.露宿( bivouac的第三人称单数 )...

n.津贴，小账...

Crack is the most addictive drug on the market.强效纯可卡因是市面上最容易让人上瘾的毒品。Four, the crack of two sides " relationship was irreversibility. "四是双方关系的破裂表现出不 可逆性.So many ciphers today we could crack - we know how to crack them.现在有...