Ethanal acid
[医] 乙醛酸
🧩 词语组成解析
乙醛
🗣️ 情景例句
He began to seek jobs in the classified advertisement column in the newspaper.
他开始从报纸的分类广告栏找工作。
Where are you going this afternoon?
今天下午你哪里去了？
How long will your offer hold good?
一般你们报价的有效期是多长？