Fatigability
[医] 易疲[劳]性
🗣️ 情景例句
I'm sorry you have to leave so soon.
很遗憾你不能多呆会儿。
What time does the first train to Boston leave?
第一班去波士顿的列车什么时间开出呢？
Is this a pen?
这是一支钢笔吗？