深海烟囱 shēnhǎiyāncōng hydrothermal vent Origin Definitions Defs Strokes Stroke Words Sentences Sents 深海 shēnhǎi noun deep sea deep sea; the deep ocean; specifically refers to marine areas with a depth exceeding 200 meters烟囱 煙囪 yāncōng noun chimney chimney; smokestack; stovepipe; a tube or passage for smoke or steam to escape from a stove or boiler