shape是可数名词。
shapen.形状;外形;样子;呈…形状的事物;v.使成为…形状(或样子);塑造
Red blood cells are roughly the shape of a disk.
红细胞大致呈圆盘状。
I like to keep in shape.
我喜欢保持健康。
The pool was in the shape of a heart.
游泳池呈心形。
水利万物而不争,
而万物莫能与之争。