She has flu.为何不用加a she has a headache.she has a temperature.为何要加a she has flu.she has measles.she has mumps.为何不用加a 那么为什么 headache 和 temperature 要加a 难道他们是可数的?
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She has flu.为何不用加a she has a headache.she has a temperature.为何要加a she has flu.she has measles.she has mumps.为何不用加a 那么为什么 headache 和 temperature 要加a 难道他们是可数的?
She has flu.为何不用加a
she has a headache.she has a temperature.为何要加a
she has flu.she has measles.she has mumps.为何不用加a
那么为什么 headache 和 temperature 要加a 难道他们是可数的?
She has flu.为何不用加a she has a headache.she has a temperature.为何要加a she has flu.she has measles.she has mumps.为何不用加a 那么为什么 headache 和 temperature 要加a 难道他们是可数的?
headache和temperature不是疾病.flu,measles和mumps是疾病,你可以理解为疾病前不加a或者an.
【口】流行性感冒[U](不可数的!!!)
I was too weak from the flu to work.
我因患流行性感冒身体虚弱不能工作。
没什么特别原因 就是固定用法 习惯这么用 死记住就可以了
Flu 是一个特定的概念,是所有人都明白的事情,因此只能加The或者不加定冠词使用。这里面有 the 的使用规范。
这两个词的用法估计还有习惯的问题,是需要强记的东西吧。
固定短语.