deleteriousKK [ˏdɛləˋtɪriəs] /ˌdɛləˈtɪɹiəs/发音形容词1有害的、有损健康的正式Long-term stress has a deleterious effect on the immune system.长期压力对免疫系统有害。2不利的、负面的正式The new policy proved deleterious to small local businesses.新政策最后证实对地方小型企业不利。用这个字练口说→