blackboard的复数形式为：blackboards...

vt.& vi.从（包裹等）中取出（所装的东西），打开行李取出vt.拆包，解除…的负担，吐露（心事等），卸下（车、马等）的负荷物...

红袋子，红包...

n.承认( acknowledgement的名词复数 )，致谢，确认收到的信等，鸣谢...

n.蟑螂...

黑外...

snack的现在进行时为：snacking...

knacky的音标：knacky的英式发音音标为：['nækɪ]knacky的美式发音音标为：['nækɪ]...

jackhammer的音标：jackhammer的英式发音音标为：['dʒækhæmə(r)]jackhammer的美式发音音标为：['dʒækˌhæmɚ]...

n.澳洲土人...

crackdowns的音标：...

There'll be no time to correct lackadaisical driving techniques after trouble develops.等到麻烦显现时再纠正动作迟缓的驾驶技术就来不及了.His will was sapped and his whole attitude was lackadaisical.心里松懈,身态与神气便吊儿啷当.There’ll be no time to cor...

go back的音标：go back的英式发音音标为：[ɡəu bæk]go back的美式发音音标为：[ɡo bæk]...

two sackfuls of flour两袋面粉...

v.回填（挖掘的洞穴）( backfill的过去式和过去分词 )...

（工作部件的）弹回安全器，反击穿...

They were decked out in tracksuits, seemingly to dissimulate their true function.他们都穿着田径服，似乎想掩饰他们的真实职能。For tracksuits you need material with plenty of stretch.做田径服需要用弹性强的料子....

backhanders的音标：...

acknowledge的现在进行时为：acknowledging...

n.回式针迹，来回针脚vt.& vi.用回式针迹缝...

jacks的音标：jacks的英式发音音标为：[dʒæks]jacks的美式发音音标为：[dʒæks]...

backdeep的音标：backdeep的英式发音音标为：['bækdi:p]backdeep的美式发音音标为：['bækdip]...

This was not by any means a daring expedition into the outback, it was a very unambitious exploration.这绝不是什么冒险深入内地的远征，只是一次平淡无奇的探险而已。He tells the patient to use some medicine from a outback.用来指导病人用药.At Outback Steakhouse,...

n.兵营，营房，简陋或难看的房屋，营房( barrack的名词复数 )，兵营，（临时性的）棚屋，外观简陋划一的房屋v.向…提供营房（或棚屋）( barrack的第三人称单数 )，使住入营房（或棚屋），大叫，喝倒彩起哄...

jacketing的音标：jacketing的英式发音音标为：['dʒækɪtɪŋ]jacketing的美式发音音标为：['dʒækɪtɪŋ]...

adj.无精打采的，不决断的，不热心的adv.无精打采地，不决断地，不热心地...

arcback的音标：arcback的英式发音音标为：[ɑ:k'bæk]arcback的美式发音音标为：[ɑk'bæk]...

hunchbacked的音标：hunchbacked的英式发音音标为：['hʌntʃbækt]hunchbacked的美式发音音标为：['hʌntʃbækt]...

call back的音标：call back的英式发音音标为：[kɔ:l bæk]call back的美式发音音标为：[kɔl bæk]...

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