Selectivities
(selectivity 的复数) n. 选择性, 选择度\\n[化] 选择性
🗣️ 情景例句
May I take a picture of you and your little boy?
我可以替你和你的小男孩拍一张照吗？
Who is he?
他是谁？
How much does it cost?
多少钱？