大于90°的角叫做钝角，小于90°的角是锐角．
This is public place for us to do some reading. Don't talk or laugh loudly in public.
下列填入语段横线处最恰当的一项是（ ）它使你惊异于那农民衣着包裹着的躯体，那消化着红豆角角老南瓜的躯体，
