Palaeozoic
Longman Dictionary of Contemporary English 5++LDOCE 5++Pal·ae·o·zo·ic British English, Paleozoic American English /ˌpæliəˈzəʊɪk, ˌpeɪ- $ ˌpeɪliəˈzoʊ-/ adjective belonging or relating to the period of time in the Earth’s history, from about 570 million years ago to about 245 million years ago, when fish, insects, reptiles and some plants first started to exist 古生代的〔古生代距今约5.7亿到2.45亿年，当时地球上鱼、昆虫、爬行动物及一些植物开始出现〕 → mesozoic
Pal·ae·o·zo·ic adjectiveChineseSyllable
Palaeozoic
Pal‧ae‧o‧zo‧ic
British English, Paleozoic American English /ˌpæliəˈzəʊɪk, ˌpeɪ- $ ˌpeɪliəˈzoʊ-/ adjective
belonging or relating to the period of time in the Earth's history, from about 570 million years ago to about 245 million years ago, when fish, insects, reptiles and some plants first started to exist ⇨ mesozoic
Pal‧ae‧o‧zo‧ic
British English, Paleozoic American English /ˌpæliəˈzəʊɪk, ˌpeɪ- $ ˌpeɪliəˈzoʊ-/ adjectivebelonging or relating to the period of time in the Earth's history, from about 570 million years ago to about 245 million years ago, when fish, insects, reptiles and some plants first started to exist ⇨ mesozoic