Perfectly mobil component
[机] 完全易变成分
🧩 词语组成解析
n. 美孚石油公司（世界上最著名的石油公司之一）
🗣️ 情景例句
I've been having a hard time keeping my eyes open
我一直挣扎着要让双眼睁开
Either win the horse or lose the saddle.
不是全赢，就是全输；孤注一掷。
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。