Mesitylic acid
[化] 2,4,4-三甲基-5-氧代脯氨酸
🧩 词语组成解析
🗣️ 情景例句
I'm glad you like them.
我很高兴你喜欢它们。
You saw that movie, didn't you? Was it interesting?
你看过这部电影了吧？精彩吗？
and assuming such an automatic messenger picked up our first broadcasts of the 1920's,
假定外星人的这种自动化信息装置接收到了我们二十世纪二十年代的第一次广播信号，