1.diabetes /.daɪə’bitiz/
n.糖尿病
例：Chinese researchers have found that n-6 polyunsaturated fatty acids, also known as omega-6, may increase the risk of type 2 diabetes among Chinese.
GRE
2.gut /ɡʌt/
n.[pl.]勇气；[pl.]内脏；肠线 a.本能的 vt.取出…的内脏
例：Gut microbiota, microorganisms living in the digestive tract, is thought to play an important role in the development of diabetes.
GMAT/考研
3.intake /ˈɪnˌteɪk/
n.摄取，摄入
例：It has been speculated that high intake of sunflower oil and corn oil, both of which are rich in n-6 fatty acids, may increase the risk of type 2 diabetes.
GMAT
4.known /noʊn/
a.众所周知的，著名的
例：Chinese researchers have found that n-6 polyunsaturated fatty acids, also known as omega-6, may increase the risk of type 2 diabetes among Chinese.
考研
5.limited /’lɪmɪtəd/
a.有限的
例：Studies on associations of gut microbiota, metabolism of polyunsaturated acids and diabetes have been limited.
GRE/考研
6.living /’lɪvɪŋ/
a.活(着)的；有生命力的；在使用中的；生动的 n.生计，生活
例：Gut microbiota, microorganisms living in the digestive tract, is thought to play an important role in the development of diabetes.
考研
7.metabolism /mə’tæbə.lɪzəm/
n.新陈代谢
例：Studies on associations of gut microbiota, metabolism of polyunsaturated acids and diabetes have been limited.
GRE
8.source /sɔrs/
n.源(泉)，发源地；来源，出处
例：The researchers said that their study shows that a high intake of n-6 fatty acids, whose major source among Chinese is cooking oil, may lead to an increased risk of type 2 diabetes by affecting gut microbiota profiles.
考研
9.tract /trækt/
n.传单；大片土地
例：Gut microbiota, microorganisms living in the digestive tract, is thought to play an important role in the development of diabetes.
GMAT/GRE