Interconvertibility
相变性
🗣️ 情景例句
Why can't I design dresses for you here at home?
为什么我不能在家里为你设计服装呢？
What's the price of that electric iron?
那个电熨斗的价格是多少？
Have you received a letter from Jim yet?
你收到了吉姆的来信没有？