你有這樣的損友嗎?!半夜不睡覺特地打給你只為了...
Vitamin B 12我可以跟他絕交嗎? Vitamin B12, vitamin B12 or vitamin B-12, also called cobalamin, is a water-soluble vitamin with a key role in the normal functioning of the brain and nervous system, and for the formation of blood. It is one of the eight B vitamins. It is normally involv...
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