Acetylphenylhydrazine
乙酰苯肼
??? 情景例句
Good afternoon, Mr. Chen. Thank you very much.
下午好，陳先生。非常感謝。
When did you join the oranizetion?
你什么時候加入這個團體的？
The trainer stands in front of the elephant holding a long stick with a sharp metal point.
馴練員手持一根有鋒利金屬尖頭的長棒，站在象前。