Polyenanthoamide
聚庚酰胺
🗣️ 情景例句
I'd like an advance copy of the book, though,
但我想要一本新书的试印本
I don't feel very well this morning.
我今早感到不很好。
She can't come. She has to help her Mommy!
她不能来。她得帮她妈妈的忙！