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The incidence of fluorosis is correlative with the content of Fluoride, which comes from mother-rock and is related to petrogenic element in soil.

土壤F与土壤中造岩元素具显著正相关,主要来土母质。

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The endemic fluorosis is a kind of endemia widely distributed in Ningxia, and this is strongly related to the special natural geochemical environment of Ningxia.

要地氟夏广泛分布的一种地方,与夏特殊的原生地球化学环境有密切关系。

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lunar month, lunar year, lunare, lunaria, lunariamine, lunarian, lunaridine, lunarine, lunarite, lunarium,

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3G, 401(K), a,

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CNN 10 学英语 2019年4月合集

But too much fluoride, especially for children who's adult teeth are still forming can lead to a problem called dental fluorosis when white patches form on teeth.

但是过多的氟化物,尤其是对于儿童来说,年人的牙齿还在形阶段,当牙齿上形白色斑块导致一种叫做氟斑牙的问题。

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lunatomalacia, lunatum, lunch, lunch time, lunchbox, lunch-bucket, luncheon, luncheon meat, luncheon voucher, luncheonette,

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3G, 401(K), a,
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