Malonic semialdehyde
[化] 丙醛酸
🧩 词语组成解析
丙二酸的
半醛
🗣️ 情景例句
What did he say? Did you tell him about me?
他怎么说？ 跟他谈到我吗？
It's raining.
外面下着雨。
They had a definite meaning, for they were as near as early man could get to writing.
它们有着一定的含义，因为它们已接近古代人的文字形式。