使新陈代谢

To live and grow, a variety of microbes use nitrogen in different ways, metabolically transforming it into diverse chemical compounds.

为了生存和生长，各种各样的微生物用不同的方式利用氮元素，新陈代谢使这种元素转变到了不同的化合物中。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。