coelacanth

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++coe·la·canth /ˈsiːləkænθ/ noun [countable]  a large fish that was thought to have become extinct millions of years ago, but still exists in the Indian Ocean 腔棘鱼，矛尾鱼〔被认为数百万年前就已灭绝的一种大鱼，其实印度洋里仍然有这种鱼〕

coe·la·canth nounChineseSyllable  

coelacanth
coe·la·canth /ˈsiːləkænθ/ noun [countable]
a large fish that was thought to have become extinct millions of years ago, but still exists in the Indian Ocean

coela·canthBrE /ˈsiːləkænθ/ 🔊NAmE /ˈsiːləkænθ/ 🔊 nouna large fish found mainly in the seas near Madagascar. It was thought to be extinct until one was discovered in 1938. 腔棘鱼，矛尾鱼（产于马达加斯加附近海域，1938 年发现之前被认为已灭绝）