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Pinyin/Cholesterol
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Pinyin#Pinyin tone marking
Cholesterol is a molecule that is found in animal cells and body fluids. Cholesterol is not found in plant sources. It is a type of lipid which is a fat or fat-like molecule. Cholesterol is a soft waxy substance. It is a special type of lipid that is called a steroid. Steroids are lipids that have a special chemical structure. This structure is made of four rings of carbon atoms. Cholesterol is found especially in animal fats.
dǎngùchún shì dòngwù xìbāo hé tǐyè d fēnzǐ. Zhíwù méiyǒu dǎngùchún. Tā shì zhīfánglèi de yīzhǒng lèixíng, shì zhīfáng huò lèisì zhīfáng de fēnzǐ. Dǎngùchún shì yī zhǒng róuruǎn de làzhuàng wùzhì. Tā shì zhīfánglèi de yīzhǒng tèshū lèixíng, jiàozuò lèigùchún. Lèigùchún shì yīzhǒng jùyǒu tèshū huàxué jiégòu de zhīfánglèi. Cǐ jiégòu yóu sì gè huánxíng de Tàn yuánzǐ zǔchéng. Dǎngùchún duōshù cúnzài yú dòngwù zhīfáng.
Category:Pinyin/Biology