Acetylenehalide
[机] 乙炔基卤
🗣️ 情景例句
He's not as lucky as I am
他不像我这样幸运地
I suppose it might be gold.
说不定是金子啊。
The key to a solution of that problem lay in an everyday observation.
可以从我们的日常生活观察中找到这个问题的答案。