grey whale
noun
1- a mottled grey baleen whale that typically has heavy encrustations of barnacles on the skin, commonly seen in coastal waters of the NE Pacific（表皮斑驳的）灰鲸。
1.1
- Eschrichtius robustus, the only member of the family Eschrichtiidae.拉丁名Eschrichtius robustus, 灰鲸科惟一种。