A white crystalline acid, COOH (CH2) 8cooh, used in the manufacture of certain synthetic resins and fibers, various plasticizers, and polyester rubbers.
任一种白色的晶体酸，化学式为COOH (CH2) 8cooh，用于生产某些合成胶、纤维多种增塑剂和聚脂橡胶。
Belonging to or being a series of organic compounds each successive member of which differs from the preceding member by a constant increment, especially by an added CH2 group.
同系列的，同周期的属于或是一系列有机化合物的，其中每一节都比相连的前一节增加一常量，尤其是ch 2组。
When injected organism tissues were heated, the protein structural symmetry was reduced, oxidated gradually, and the vibration weakened at the end radicel such as -ch3, -ch2.
染尘肌体组织在加热过程中，蛋白质类结构对称性降低并逐渐氧化，末端基团如—ch_3，—CH_2振动减弱。
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