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1. astray adv. 迷途地 adj. 迷途的, 误入歧途的
2. decoy n. 引诱, 诱饵
3. gunpowder n.火药
4. flat-out adj. 最高的, 坦白的, 直率的
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60秒科学:训练员的想法影响警犬的判断
时间:2011-02-14 09:44:21 来源:scientificamerican 编辑:sunny 每天三分钟英语轻松学
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