基本解釋中生代英漢例句雙語例句Mammals arose from a fairly primitive reptile in the mesozoic era .哺乳類起源于中生代宛若原始的爬蟲類。The rift development slowly halted some 250 to 245 million years ago, around the beginning of the Mesozoic Era.這些裂縫的活動在大約2.5-2.45億年前,即中生代初期逐漸停止了。The prints are believed to have been made during the Cretaceous period of the Mesozoic Era, Kim said in a statement.這些足跡被認為是在中生代白堊紀時期由當時鳥類留下的。mesozoic era更多例句詞組短語短語mesozoic caenozoic era 中mesozoic c era 中生代THE E MESOZOIC ERA 中生代middle mesozoic era 中生代中期mesozoic era granite terrain 中生代花崗巖mesozoic era更多詞組專業(yè)釋義地球科學中生代生物學中生代