Androstanedion
[机] 雄烷二酮
🗣️ 情景例句
You should use 'officer' to address a policeman.
你应该用 'officer' 来称呼警察。
What did the doctor say?
医生说了什么吗？
Are you holding the ladder, Jim?
你扶住了梯子吗，吉姆？