Tradeable
可交换的
🗣️ 情景例句
The signs of the city never fail to impress the foreign tourists.
外国游客无一不对该城市留有深刻的印象。
Why did't you tell me?
为什么你不告诉我？
In fact, I have just bought a book entitled How to Read a Thousand Words a Minute.
事实上，我刚买来一本叫《一分钟读一千字的诀窍》的书。