N-nonoic acid
[建] 壬酸
🧩 词语组成解析
🗣️ 情景例句
Many business people turn off their pagers and cell phones during their leisure time.
许多商人在他们的休息时间里都把传呼机和移动电话关掉。
My brother is not quite twenty-five.
我的兄弟不够25岁。
Whatever I said，he'd disagree.
不论我说什么他都不同意。