尽管责任重重，他似乎总有心事。
With all his responsibilities, he always seems to have a care on his mind.
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care英 /keə/|美 /kɛr/
解释
care 在这里是名词，意思是"忧虑、心事"，指让人感到担心或烦恼的事情。
With all his responsibilities, he always seems to have a care on his mind.
care 在这里是名词，意思是"忧虑、心事"，指让人感到担心或烦恼的事情。
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