Exchangeability
n. 可交换性
✅ 同义词
🗣️ 情景例句
How long are you going to stay here?
您在这里呆多久？
Glad to have been of help.
我很高兴能给您帮个大忙。
His telescopic observations are justly immortal;
伽利略用望远镜所作的观察确实是不朽的，