请参考http://www.woodlist.com/ref/bamboo/bamboo.htm
COLLECTION NAME: BAMBOO
The Bamboo flooring shown below is manufactured either Horizontal Grain which produces a slightly wider grain pattern or Vertical Grain which produces a highlighted line pattern appearance within the floorboard. Bamboo is very durable, hard and stable and is actually a species of grass. Bamboo is also offered in either Natural, for a lighter color or Carbonized, which will offer you a darker color. Nail/Staple/Glue down