Sterone
甾酮, 固酮
🗣️ 情景例句
How about a cup of coffee, Son?
来杯咖啡怎么样， 孩子？
The poor man wants much,the miser everything.
穷人要求多，财迷则样样都要。
What do the machines do? asked Jim.
“这些机器做什么用？”吉姆问。