Positional isomer
[机] 位置异构物
🧩 词语组成解析
a. 位置的, 地位的
n. 异构体\\n[化] 异构体
🗣️ 情景例句
How are you?
你好吗？
Did you go to the party yesterday?
你昨天去参加聚会了吗？
By the end of next year, they will have finished work on the new stadium.
到明年年底，他们将把新体育场建成。