Benzalacetic acid
[机] 肉桂醛
🧩 词语组成解析
🗣️ 情景例句
OK, Richard. That's terrific.
很好， Richard ，真不错。
How long does it take?
火车要开多久？
This was known as panning for gold.
这就是人们所熟知的“淘金”。