因为突然生病，他不得不请了一周假。
He had to take a week off work due to a sudden illness.
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illness英 /ˈɪlnəs/|美 /ˈɪlnəs/
解释
illness 是名词，由形容词 ill（生病的）加上名词后缀 -ness 构成，表示"疾病"或"生病"的状态。
He had to take a week off work due to a sudden illness.
illness 是名词，由形容词 ill（生病的）加上名词后缀 -ness 构成，表示"疾病"或"生病"的状态。