I often get a cold, because I have weak immune system.
我经常感冒,因为我抵抗力差。
An experimental therapy uses a person's weak immune system to fight deadly blood cancers.
一种实验疗法利用人体虚弱的免疫系统对抗致命的白血病。
Your immune system will be weak and you will be prone to becoming ill.
你和你的免疫系统会弱会容易得病。
Your immune system will be weak and you will be prone to becoming ill.
你和你的免疫系统会弱会容易得病。
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