基本解释胚軌英汉例句權威例句The germ cells were tagged with a fluorescent chemical that allowed the scientists to isolate and track the germ cells as the body developed.NPR: Making Sperm, No Men Necessarygerm track更多例句词组短语短語germ -track 繙譯;胚跡germ track更多词组专业释义生物學胚軌種系