Nonadecanoic acid
[化] 十九酸; 十九烷酸
🧩 词语组成解析
🗣️ 情景例句
and remember the meaning of Thanksgiving.
来追忆一下感恩节的意义。
Mary gave birth to a baby last week.
玛丽上星期做妈妈了。
but fearing that she would never see Rastus again -- the letter had made that quite clear -- she changed her mind.
但又害怕再也见不到拉斯特斯——这点，信上说得十分明白——于是便改变了主意。