英语播客EnglishPod 729
时间：2019-02-23 作者：英语课 分类：英语播客-EnglishPod
英语课
Daily Life - Going to the Doctor
Some people go to the doctor as soon as they start feeling a little
under the weather, others wait until they’ve tried everything else
but to no avail 1. Today at EnglishPod, we’ll be learning all about
common symptoms and treatments as we join one girl on her visit
to the doctor.
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收听单词发音 1
avail
vt.有益于；n.效用
参考例句：
We tried to keep him alive but to no avail.我们全力抢救他，但却徒劳无功。
We opposed the proposal but to no avail.我们反对这个提议，但没用。