oceanography

1. N-UNCOUNT Oceanography is the scientific study of sea currents, the ocean floor, and the fish and animals that live in the sea. 海洋學(xué)

2. oceanographerN-COUNT

...an oceanographer working on an environmental protection programme. ...一位正在制定環(huán)境保護(hù)計劃的海洋學(xué)家。