Keto-morpholine
[化] 吗啉
🧩 词语组成解析
a. [化] 酮类的
n. [化]吗啉(一种吸湿性液体, 用作溶剂和乳化剂等)
🗣️ 情景例句
What's wrong with him?
他怎么啦？
How long will you be working in Canada?
你将在加拿大工作多久？
and his hero was firmly rooted in his memories and experiences, and in both the history and the mythology of the vanished frontier.
他塑造的英雄人物深深地扎根于他本人的记忆和经历之中，也扎根于有关已经消失的拓荒生活的历史和神话之中。