All K natural vitamins are equivalent in composition: they share a "quinone" ring, but differ from the length and degree of saturation with the carbon tail and the number of repeating isoprene units during the "side chain".… Read More

But my girlfriend and her mates are convinced that 两 can never signify something other than particularly 2. It really is tricky for me to elucidate when I'd personally use 两 to signify "a handful of" in addition to it feels additio… Read More