protein
B2高频 NGSL-2英 /ˈprəʊtiːn/美 /ˈprəʊtiːn/
释义
noun
蛋白质
a substance, found within all living things, that forms the structure of muscles, organs, etc. There are many different proteins and they are an essential part of what humans and animals eat to help them grow and stay healthy.
“essential proteins and vitamins”
在真实视频里记住 protein
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essential proteins and vitamins
蛋白质
protein· 蛋白质
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