backstroke的反义词有：crawl。n.backstroke的反义词（仰泳）：crawl。...

hardback的复数形式为：hardbacks...

backfills的音标：...

v.中伤( backbite的过去式和过去分词 )，背后诽谤，背后中伤...

n.闪回，倒叙，药效幻觉重现...

backspace的现在进行时为：backspacing...

回填机...

backlimb的音标：backlimb的英式发音音标为：[bæk'lɪm]backlimb的美式发音音标为：[bæk'lɪm]...

backlight的一般过去时为：backlighted...

adv.往后地，落后地...

n.单刃刀，木剑...

Lists the backups according to which file was backed up.根据备份的文件列出备份.For both backups and copies you have the following additional options.对于备份和复制来说,都有以下额外的选项.In other words , cells carry their own internal backups.换而言之, ...

n.美钞( greenback的名词复数 )...

backshish的音标：backshish的英式发音音标为：['bækʃi:ʃ]backshish的美式发音音标为：['bækʃiʃ]...

n.诽谤，中伤v.中伤( backbite的现在分词 )...

backtrack的现在进行时为：backtracking...

backcross的音标：backcross的英式发音音标为：[bækk'rɒs]backcross的美式发音音标为：[bækk'rɒs]...

n.强烈反应，佣金，回扣...

backdrop的音标：backdrop的英式发音音标为：['bækdrɒp]backdrop的美式发音音标为：['bækdrɑp]...

n.反手一击，贿赂...

不遵守（诺言、合约等），打退堂鼓...

n.后院...

leatherback的音标：leatherback的英式发音音标为：['leðəbæk]leatherback的美式发音音标为：['leðərbæk]...

humpback的音标：humpback的英式发音音标为：['hʌmpbæk]humpback的美式发音音标为：['hʌmpˌbæk]...

take sth back的音标：...

backlight的音标：backlight的英式发音音标为：['bæklaɪt]backlight的美式发音音标为：['bæklaɪt]...

backlining的音标：backlining的英式发音音标为：[bæk'laɪnɪŋ]backlining的美式发音音标为：[bæk'laɪnɪŋ]...

n.回[反]租，售后回租，返租...

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]...

They went backpacking in Spain last year.他们去年背着背包在西班牙旅行。What advice does Luciano give David about backpacking in Europe?关于在欧洲背包徒步旅行,Luciano给了大卫哪些建议?Your review must be about gear that directly relates to backpacking.你的测评...