R acid
[化] R酸; 2-萘酚-3,6-二磺酸
🧩 词语组成解析
🗣️ 情景例句
That's the way.
就这样。
Catch the bear before you sell his skin.
大事未成时，莫开庆功宴。
The reader's hair stands on end when he reads in the final pages of the novel that the heroine a dear old lady who had always been so kind to everybody, had, in her youth, poisoned every one of her five husbands.
当读者到小说最后几页了解到书中女主人公，那位一向待大家很好的可爱的老妇人年轻时一连毒死了她的5个丈夫时，不禁会毛骨悚然。