Ozean 
đại dương 
ocean like: Ozean → →
der Ozean ☊ 
biển, đại dương ☊ 
☊ der Indische Ozean ☊ Ấn độ dương ☊ ☊ Ozean ☊ 大海 ☊ dà hǎi Indische Ozean ☊ 印度洋 ☊ Yìndùyáng wir hatten zwar weder Ozean noch Sandstrand, aber dafür ein angenehmes Klima. ☊ Chúng con không có đại dương cũng chẳng có bãi cát, nhưng có một khí hậu thật dễ chịu. ☊ (Lektion 55, Nr. 783) the depths of the ocean ☊ depth ☊
the ocean/valley/cave/forest floor ☊ floor ☊
+ adv./prep.: It's here that the river flows down into the ocean. ☊ flow ☊
Hidden dangers lurk in the ocean depths. ☊ hide ☊
the depths of the ocean ☊ ocean ☊
People were swimming in the ocean despite the hurricane warning. ☊ ocean ☊
The plane hit the ocean several miles offshore. ☊ ocean ☊
an ocean liner ☊ ocean ☊
the Antarctic/Arctic/Atlantic/Indian/Pacific Ocean ☊ ocean ☊
the mouth of the river (= where it enters the sea/ocean) ☊ river ☊
There was a vertical drop to the ocean. ☊ vertical ☊
This species is found in coastal waters around the Indian Ocean. ☊ water ☊
write of sth: Ancient historians wrote of a lost continent beneath the ocean. ☊ write ☊