/məʊl; mol/
n small permanent dark spot on the human skin 痣; 色素痣. Cf 参看 freckle.

/məʊl; mol/
n
1 small dark-grey fur-covered animal with tiny eyes, living in tunnels which it makes underground 鼹鼠. =>illus at App
1 见附录1插图, page iii.
2 (infml 口) person who works within an organization and secretly passes confidential information to another organization or country （将本组织的秘密情报暗中传给另一组织或国家的）内奸
*The authorities believe there is a mole at the Treasury. 当局认为财政部里有内奸. Cf 参看 spy.

/məʊl; mol/
n stone wall built from the shore into the sea as a breakwater or causeway 防波堤.

n[C]
a small dark furry animal which is almost blind. Moles usually live under the ground.
a small dark brown mark on the skin that is slightly higher than the skin around it
someone who works for an organization while secretly giving information to its enemies