Dialdehyde
[机] 二醛
🗣️ 情景例句
If negotiaton fails, then what?
万一谈判破裂，怎么办？
Perhaps you've heard our product's name. Would you like to know more about it?
也许你已听说过我们产品的名称，你想知道更多一点吗？
One packing case was crushed.
有一个箱子全压坏了。