Koinomatter
正常物质
🗣️ 情景例句
He had an emergency.
他有紧急事情。
Mr. Smith is a politician.He's running for election as governor.
史密斯先生是竞选州长的一名政治家。
In the contrary school, the duck is supreme.
与滑翔鸟相对的另一类鸟中，数野鸭本领最高。