她刚收到儿子的来信，大大减轻了她的忧虑。
A letter from her son, which had just been delivered to her, greatly relieved her anxiety.
''她刚收到儿子的来信，大大减轻了她的忧虑。''。
She just received the letter from her son and relieved the anxiety hugely.
''她刚收到儿子的来信，大大减轻了她的忧虑。''。
She just received the letter from her son and relieved the anxiety hugely.
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