讲解文本：
relief (痛苦、焦虑等的)减轻，解除
It was a big relief to tell you about it.
能把这件事告诉你，我真是松了口气。
The doctor said it was OK. What a relief!
医生说没事，总算松了口气。
疯狂练习吧!
relief (痛苦、焦虑等的)减轻，解除
It was a big relief to tell you about it.
能把这件事告诉你，我真是松了口气。
The doctor said it was OK. What a relief!
医生说没事，总算松了口气。
疯狂练习吧!
