?? 詞語組成解析
n. 雌激素\\n[化] 雌激素
antagonist
[?n't?g?nist]
n. 敵手，反對者;<解>對抗肌，拮抗肌;<藥>對抗藥;（戲劇，小說等的）反面人物;
??? 情景例句
I would like to send this by registered mail, please.
我想把這封信掛號寄出。
Like draws to like.
物以類聚。
Alpine village tended to be impoverished settlements cut off from civilization by the high mountains.
阿爾卑斯山山區的小村幾乎全是高山環抱、與世隔絕的窮鄉僻壤。