看不到
<font face="Arial "><font color="black"><font size="5">看不到，摸不著，越往高處越稀薄，</font> </font></font><p align="left"><font face="Arial "><font size="5"><font color="black">你也要，我也要，萬物生存離不了。</font></font></font></p><p align="left"><font face="Arial "><font size="5"></font></font> </p><p align="left"><font face="Arial "><font size="5"></font></font> </p><p align="left"><font face="Arial "><font size="5"><br></font></font></p><p align="left"><font face="Arial "><font size="5"><br></font></font></p><p align="left"><font face="Arial "><font size="5">答案分享 : <font color="lemonchiffon">空氣</font></font></font></p>
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