Actinium
n. 錒\\n[化] 錒Ac
? 同義詞
??? 情景例句
Remembering the past was his only ple4asure.
回憶往事是他唯一的樂趣。
Our sweetest songs are those that tell of saddest thought.
最甜美的的歌是訴說最悲傷的哀思。
Hubert Latham took off from the French coast in his plane the 'Antoinette IV.
休伯特。萊瑟姆駕駛“安特瓦特4號”飛機從法國海岸起飛，