Hydroxyl (group)
[化] 氢氧基; 羟基
🧩 词语组成解析
n. 氢氧根\\n[医] 羟[基], 氢氧基
🗣️ 情景例句
How long does it take you to get through a letter?
你写一封信要花多少时间？
The doctor said I looked worried and nervous.
医生说我看起来太忧郁和紧张了。
She got to school early. She had a little rest after lunch, but she worked hard in class all day.
她早早来到了学校。午饭后她小休一会儿，但一整天她在课堂上都很用功。