The older strata gradually disintegrate.较老的岩层渐渐风化.Contained within the rock strata is evidence that the region was intensely dry 15,000 years ago.岩层中有证据表明，该地区在15,000年前曾经非常干旱。We can follow the history of life through the ...

inamorata的音标：inamorata的英式发音音标为：[ɪnˌæmə'rɑ:tə]inamorata的美式发音音标为：[ɪnˌæmə'rɑtə]...

Isogeneratae的音标：...

n.角膜疼痛...

Ratatouille的音标：Ratatouille的英式发音音标为：[ˌrætə'tu:ɪ]Ratatouille的美式发音音标为：[ˌrætə'tuɪ]...

substrata的音标：substrata的英式发音音标为：['sʌbstrɑ:tə]substrata的美式发音音标为：['sʌbstreɪtə]...

无须亚目...

keratan的音标：keratan的英式发音音标为：[ke'reɪtən]keratan的美式发音音标为：[ke'reɪtən]...

轻度畸形儿...

adj.能水合的...

异柠檬酸裂合酶...

恐角目...

n.诡计，计谋，花招...

——见 pro rata...