Phanerozoic /,fænәrә'zәuik/ 📖 中文释义 a. [地](由古生代、中生代和新生代构成的地质年代)显生宙的 📘 English Definition(英文释义) n the period from about 5,400 million years ago until the present ← phanerous Phanerozoic eon →