Determinability
可确定性
🗣️ 情景例句
Richard and Marilyn bought it for me for my birthday.
这是Richard和Marilyn送给我的生日礼物。
He has a book.
他有一本书。
Dickie left the shop without a word and returned carrying a large cloth bag.
迪基二话没说就走了。一会儿，他带着一个大布口袋回到店里。