Old Faithful
/ˌəʊld ˈfeɪθfl/
/ˌəʊld ˈfeɪθfl/
- a famous US geyser (= an underground hot spring that shoots water or steam up into the air) in Yellowstone National Park. It is a popular tourist attraction. Approximately once an hour it shoots hot water and steam into the air to a height of about 150 feet/46 metres.
老忠实：黄石国家公园中著名的美国间歇泉（地下温泉，向水或蒸汽喷射水）。这是一个受欢迎的旅游景点。它大约每小时每小时将热水和蒸汽喷射到空气中，高度约为150英尺/ 46米。