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
Good evening, how may I help you sir?
晚上好，你需要帮助吗？
He will always be a slave who knows not how to earn and save.
不懂挣钱和积财，只能永远当奴才。
suggested an idea on which he had been working for many years to the British Government and industrial circles.
他向英国政府和工业界提出了他研究多年的一项计划。