Inconvertibility
n. 不能变换, 不能兑换\\n[经] 不兑换, 不可兑换
🗣️ 情景例句
What do you recommend?
你推荐什么？
We were pleased to hear from your letter of 6 August that you were impressed with our selection of toys.
我们很高兴收到你方8月6日来函得知你方对我们的玩具非常感兴趣。
Mum, I don't feel very well.
妈妈，我感到不舒服。