Sterone
甾酮, 固酮
🗣️ 情景例句
it takes a little bit of money to run a campaign.
竞选活动需要花一些钱。
I asked him to play with me, but he wouldn't.
我请他和我玩，但是他不肯。
English is spoken as a first language by most people in the USA, Great Britain, Canada, Australia and New Zealand.
在美国、英国、加拿大、澳大利亚和新西兰，大多数人都把英语做为第一语言。