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- This means that anybody with the proper apparatus can carry this out on a person covertly, with no external signs that electrodes have been used on that person. 这以为着任何人用适当的器械能就能秘密的在一个人身上进行它，没有外部的信号，电极曾被用在那个人身上。
- find out internal disturbance by observing the external signs 从外测内
- He persuaded her to sign the document by guile. 他用欺骗手段说服她在文件上签字。
- He is just listening in external of that room. 他正在那房间的外面留神听着。
- Those are signs of an unquiet mind. 这是心烦意乱的表现。
- The vendor signs a contract with the purchaser. 卖方须与买方签订契约。
- People who cannot speak can talk by using signs. 不会说话的人可以用手势沟通。
- This news program only covers external events. 这一新闻节目只报道国外消息。
- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
- The weather shows signs of breaking up. 好天气看样子要过去了。
- She sets great store by external politeness. 她很注重表面的虚礼。
- There are many luminous road signs along the roads. 沿着路有许多夜光路标。
- The local station signs on at6: 30 every day. 地方台每天6：30开始广播。
- His health is showing signs of improvement. 他的健康状况显出好转的迹象。
- The sick man showed signs of distress. 那个生病的男人表现出痛苦的迹象。
- The tree exhibited signs of decay. 那棵树显示腐蛀的迹象。
- There are few signs of life here in the evenings. 这里晚间没有什麽活动的迹象。
- There is no sign of a let-up in the hijack crisis. 绑架危机毫无缓和迹象。
- I was forced to sign the agreement against my will. 我被迫违心地在协议上签了字。
- There are signs that he's reforming. 有迹象表明他在变好。
