Word
Nb
noun
注意
核心释义
- 1.
注意；留心
n a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium；n a Latin phrase (or its abbreviation) used to indicate that special attention should be paid to something
留心
学习提示Learner notes
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from ECDICT, WIKTIONARY.