Dodecynoic acid
[化] 十二碳炔酸
🧩 词语组成解析
🗣️ 情景例句
Have you ever been to Guangzhou?
你以前来过广州吗？
Words are but wind.
耳闻不如一见。
She got up before 7 o'clock in the morning, and quickly washed her hands and face.
00以前起床，快快地洗手洗脸。