Kethoxal
[化] 凯托沙; 乙氧丁酮醛
🗣️ 情景例句
She is busy now.
她正忙着呢。
The great and the little have need one of another.
伟大与渺小相得益彰。
Apart from any moral considerations this is a stupid method of training,
且不说道义问题，这本身就是一种愚蠢的训练方法，