Ergostane
麦角甾烷
🗣️ 情景例句
The only-child generation brings about many new social problems.
独生子女一代带来了许多新的社会问题。
Please wait a moment.
请等一下。
The man went to great lengths to prove that the diamonds were real.
那人竭力想证明那钻石是真货。