n.洋；海洋；大海；（地球上划分出的）洋 变形： 复数：oceans 双语释义：n.(名词)[U]洋,海洋,大海 mass of salt water that covers most of the earth's surface[C](地球上划分出的)洋 one of the main areas into which this is divided英英释义： ocean[ 'əuʃən ]n.a large body of water constituting a principal part of