a snake robot could help look for people under buildings.这一句是对未来机器人的畅想，那为什么要用 After an earthquake, a snake r...
After an earthquake,a snake robot could help look for people under buildings.\u4e2d\u4e3a\u4ec0\u4e48\u7528could,\u800c\u4e0dc\u610f\u601d\u662f\uff1a
\u5730\u9707\u540e\uff0c\u4e00\u4e2a\u86c7\u5f62\u673a\u5668\u4eba\u80fd\u591f\u5e2e\u52a9\u5bfb\u627e\u5efa\u7b51\u7269\u4e0b\u7684\u4eba\u4eec\u3002
could\u548ccan\u5728\u8868\u793a\u53ef\u80fd\u6027\u65b9\u9762\uff0c\u6ca1\u6709\u65f6\u95f4\u533a\u522b\uff0ccan \u53ef\u80fd\u6027\u6bd4could \u5927\uff1b\u8868\u793a\u903b\u8f91\u4e0a\u6216\u7406\u8bba\u4e0a\u7684\u53ef\u80fd\u6027\uff0c\u800c\u4e0d\u662f\u67d0\u79cd\u5b9e\u9645\u4e0a\u5c06\u8981\u53d1\u751f\u6216\u6b63\u5728\u53d1\u751f\u7684\u53ef\u80fd\u6027\u3002
look for \u662f\u5bfb\u627e\uff0c
find \u662f\u627e\u5230\uff0c
\u673a\u5668\u4eba\u53ea\u662f\u5e2e\u5fd9\u5bfb\u627e\uff0c\u4f46\u4e0d\u4e00\u5b9a\u80fd\u627e\u5230
可以理解为是对未来的一种推测
参考资料里面说的比较详细
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