deleterious impurity的意思|示意
美 / ˌdelɪˈtɪəri:əs ɪmˈpjʊərɪti: /
英 / ˌdɛlɪˈtɪriəs ɪmˈpjʊrɪti /
有害杂质
deleterious impurity相关例句
With more and more research available, knowledge on the effects of bismuth begins to change from a deleterious impurity which people tried their best to remove to a beneficial dopant.
随着研究的不断深入，对铋的作用的认识已有所变化，已经从多年前人们一直想方设法除去的有害杂质变成了有益杂质。