Acrylaldehyde
丙烯醛
🗣️ 情景例句
We'll do it!
我们就来进行吧！
Would you open the door for me, please?
你能替我开门吗？
It is not a simple competition for a fixed amount of food determined by the physical environment,
它已不是为了争得物质环境所决定的有限食物而进行的简单竞争了，