如果那条狗按照命令打滚，是因为你每天20分钟一直在训练，说出来！
If the dog rolled over on command, and it's because you'd been training it for 20 minutes a day, say so!
在印尼令人非常害怕的辅助军警已经停止了巡逻，所有叛军的士兵们按照命令回到军营。
Indonesia's much-feared paramilitary police force has stopped patrolling, all rebel soldiers have been ordered back to barracks.
研究人员挑选了29条品种各异的狗，每只狗按照命令训练，完成一项称为“给爪子”的任务，即把前爪放到人的手里。
The researchers selected 29dogs of various breeds that had each been trained to put theirfront paws in someone's hand on command, a task called "giving thepaw."
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