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pernicious

英 [pə'nɪʃəs] 美[pɚ'nɪʃəs]

英英释义考试真题实用场景例句

adj. 有害的；恶性的；致命的；险恶的

英英释意

1. exceedingly harmful

2. working or spreading in a hidden and usually injurious way;: "glaucoma is an insidious disease"; "a subtle poison"