Interconvertibility
相变性
🗣️ 情景例句
Next week I'm taking my driving test.
我下星期考车牌。
You can't count on Tom being punctual.
你不要指望汤姆会守时。
Oh, yes, I bought one, but I can't find it now.
噢，是，我买了票的，但现在找不见了！