<br> <ruby>森林<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">Sēnlín</rt><rp>)</rp></ruby><ruby>涵养<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">hányǎnɡ</rt><rp>)</rp></ruby><ruby>水源<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">shuǐyuán</rt><rp>)</rp></ruby>,<ruby>保持<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">bǎochí</rt><rp>)</rp></ruby><ruby>水土<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">shuǐtǔ</rt><rp>)</rp></ruby>,<ruby>防止<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">fánɡzhǐ</rt><rp>)</rp></ruby><ruby>水旱<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">shuǐhàn</rt><rp>)</rp></ruby><ruby>灾害<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">zāihài</rt><rp>)</rp></ruby><ruby>的<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">de</rt><rp>)</rp></ruby><ruby>作用<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">zuòyònɡ</rt><rp>)</rp></ruby><ruby>非常<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">fēichánɡ</rt><rp>)</rp></ruby><ruby>大<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">dà</rt><rp>)</rp></ruby>。<ruby>据<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">Jù</rt><rp>)</rp></ruby><ruby>专家<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">zhuānjiā</rt><rp>)</rp></ruby><ruby>测算<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">cèsuàn</rt><rp>)</rp></ruby>,<ruby>一<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">yī</rt><rp>)</rp></ruby><ruby>片<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">piàn</rt><rp>)</rp></ruby><ruby>十万<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">shíwàn</rt><rp>)</rp></ruby><ruby>亩<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">mǔ</rt><rp>)</rp></ruby><ruby>面积<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">miànjī</rt><rp>)</rp></ruby><ruby>的<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">de</rt><rp>)</rp></ruby><ruby>森林<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">sēnlín</rt><rp>)</rp></ruby>,<ruby>相当于<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">xiānɡdānɡyú</rt><rp>)</rp></ruby><ruby>一<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">yī</rt><rp>)</rp></ruby><ruby>个<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">ɡè</rt><rp>)</rp></ruby><ruby>两百<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">liǎnɡbǎi</rt><rp>)</rp></ruby><ruby>万<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">wàn</rt><rp>)</rp></ruby><ruby>立方米<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">lìfānɡmǐ</rt><rp>)</rp></ruby><ruby>的<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">de</rt><rp>)</rp></ruby><ruby>水库<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">shuǐkù</rt><rp>)</rp></ruby>,<ruby>这<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">zhè</rt><rp>)</rp></ruby><ruby>正<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">zhènɡ</rt><rp>)</rp></ruby><ruby>如<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">rú</rt><rp>)</rp></ruby><ruby>农谚<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">nónɡyàn</rt><rp>)</rp></ruby><ruby>所<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">suǒ</rt><rp>)</rp></ruby><ruby>说<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">shuō</rt><rp>)</rp></ruby><ruby>的<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">de</rt><rp>)</rp></ruby>:“<ruby>山上<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">Shānshànɡ</rt><rp>)</rp></ruby><ruby>多<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">duō</rt><rp>)</rp></ruby><ruby>栽树<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">zāishù</rt><rp>)</rp></ruby>,<ruby>等于<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">děnɡyú</rt><rp>)</rp></ruby><ruby>修<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">xiū</rt><rp>)</rp></ruby><ruby>水库<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">shuǐkù</rt><rp>)</rp></ruby>。<ruby>雨<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">Yǔ</rt><rp>)</rp></ruby><ruby>多<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">duō</rt><rp>)</rp></ruby><ruby>它<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">tā</rt><rp>)</rp></ruby><ruby>能<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">nénɡ</rt><rp>)</rp></ruby><ruby>吞<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">tūn</rt><rp>)</rp></ruby>,<ruby>雨<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">yǔ</rt><rp>)</rp></ruby><ruby>少<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">shǎo</rt><rp>)</rp></ruby><ruby>它<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">tā</rt><rp>)</rp></ruby><ruby>能<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">nénɡ</rt><rp>)</rp></ruby><ruby>吐<rp>(</rp><rt style="font-size:15px;layout-grid-mode:line">tǔ</rt><rp>)</rp></ruby>。”<br> <ruby>说<rp>(</rp><rt style="font-size:15