a small animal with dark grey fur, that is almost blind and digs tunnels under the ground to live in 鼹鼠（体小，视力极差，居住在挖掘的地道） Oxford Collocations Dictionarymole + verb- burrow
- dig
- tunnel
- …
a small dark brown mark on the skin, sometimes slightly higher than the skin around it 色素痣 Oxford Collocations Dictionaryadjective- hairy
- raised
- remove
a person who works within an organization and secretly passes important information to another organization or country 间谍；内奸 They suspected that a mole had been planted in the organization. 他们怀疑组织里被安插了内奸。 A police mole working inside the company had supplied them with the details. 警方安插在公司内部的卧底为他们提供了详情。
Oxford Collocations Dictionaryverb + mole- plant
- (
chemistry 化学 a unit for measuring the amount of substance 摩尔（计量物质的数量单位）
Word Originsense 1 and sense 3 late Middle English: from the Germanic base of Middle Dutch and Middle Low German mol.sense 2 Old English māl ‘discoloured spot’, of Germanic origin.sense 4 early 20th cent.: from German Mol, from Molekul, from Latin molecula, diminutive of Latin moles ‘mass’.