Methyl purines
[醫] 甲基嘌呤
?? 詞語組成解析
n. 甲基\\n[化] 甲基
(purine 的復數) n. 嘌呤\\n[化] 嘌呤
??? 情景例句
Tomorrow is another day.
有明天就有希望。
Clearly their victory is out of the question.
很顯然，他們是不可能獲勝的。
Police are wary of itinerants who cannot be traced to a recognized camp boundary or to four walls.
警察則對那些查不出有固定營地或住處的游蕩者保持警惕。