meridianus什么意思解释？

The results showed this area was single desert Haloxylon mmodendron community dominated Meriones meridianus - Rhomlomys opimus - Dipus sagitta.结果表明,该区域为单一的荒漠梭梭子午沙鼠(M. meridianus)大沙鼠(Rhomlomysopimus)三趾跳鼠(Dipussagitta)群落....

meridianus的音标：meridianus的英式发音音标为：[mə'rɪdɪənəs]meridianus的美式发音音标为：[mə'rɪdɪrnəs]...