1、Naturally occurring transparent, colorless crystalline allotrope of carbon.
天然存在的透明、無色、結晶的碳的同素異形體。

2、Oil is refined to remove naturally occurring impurities.
油經過提煉去除天然生成的雜質。

3、Max DHA Liquid omega-3 fatty acids are in naturally occurring glyceride form.
本品的Omega-3脂肪酸是天然的脂肪酸形式來源。

4、any of various naturally occurring impure mixtures of hydrocarbons.
各種天然生成、不純凈的烴類混合物。

5、In 1977 ali Maow Maalin became the world's last person to contract naturally occurring smallpox.
在1977年阿里·馬歐·馬阿林成為世界天然發(fā)生天花感染的最后一個人。

6、The fact is that ascorbic acid is only the preservative part of naturally occurring vitamin c.
事實上，抗壞血酸只是天然維生素c的能夠保存的部分。

7、Scientists who tested samples said the deaths were caused by a naturally occurring neurotoxin.
測試過樣品的科學家們指出，這兩只狗的死亡是由自然產生的神經毒素造成的。

8、Radon is a chemically inert, naturally occurring radioactive gas. It has no smell, colour or taste.
氡是一種天然產生的放射性惰性氣體，它無色、無味、無臭。

9、Cis monounsaturated fat is naturally occurring and is particularly high in canola and olive oil.
順式單不飽和脂肪酸天然存在，特別富含于芥花籽油和橄欖油中。

10、It is a naturally occurring compound found in the soil saprotroph "Streptomyces rose sports".
它是在土壤腐生菌“玫瑰鏈霉菌”中發(fā)現的一種天然化合物。

11、Fluoride is a naturally occurring mineral.
氟是一種自然形成的礦物質。

12、Naturally occurring mineral water, as at a spa
礦泉水自然出產之礦質水，如礦泉中的水

13、A naturally occurring or artificially produced radioactive element
放射性元素自然產生或人為制造的放射性元素

14、Talc is a naturally occurring clay mineral composed of magnesium and silicon.
滑石是一種天然粘土礦物，由鎂元素和硅元素組成。

15、However it would not be accurate to limit fundamental risk to naturally occurring perils.
然而，把基本風險局限于自然危險是不準確的。

16、The cocoa bean is a rich source of naturally occurring polyphenol antioxidants.
可可豆是多酚抗氧化劑的一個富有的來源。

17、Radon is a chemically inert, naturally occurring radioactive gas without odour, colour or taste.
氡是一種自然產生的放射性惰性氣體，它無色、無味、無臭。

18、A naturally occurring chemical formed during the oxidation of epinephrine.
腎上腺素紅在腎上腺素氧化過程中自然形成化學物質

19、The blue specks are likely naturally occurring seashell particles or minerals.
藍色斑點很可能是自然產生的海貝顆粒或礦物質。

20、Tartaric acid: Naturally occurring acid found in grapes and the most important acid in wine.
酒石酸：在葡萄中發(fā)現的自然形成的酸（幾乎無處不在），也是葡萄酒中最重要的酸。