🧩 词语组成解析
乙醛
[化]一种三分子的缩合物
🗣️ 情景例句
How do you do?
您好！
To err is human.
人无完人。
As quickly as they could, the men ran to th steps and up into the open, many of them with their clothes on fire.
工人们尽快朝楼梯跑去，爬上楼梯跑出舱外，其中好多人衣服已经着火了。