GFS政府飞行服务队 Government Flying ServiceGn.英语字母表第七个字母；G级电影；[音]G调glyoxylate cycle乙醛酸循环gleyic phaiozems潜育黑土gyri epicallosus[医] 胼胝上回, 灰被glyceryl maleate甘油马来酸Glyptotermes yuin.尤氏树白蚁glacio-eustasy冰川海面升降gynecologic tumor妇科肿瘤Gloeococcus minorn.小圆球藻Gleditsia species皂荚glucagonoma/DI胰升糖素瘤／诊断