全国职称英语等级考试(卫生类A级)核心词汇全突破(三级词汇-N-Q)

Nnail [ ] n. ①钉‖②指甲，爪vt. 钉，使牢固【例句】He was unwilling when we nailed him with his promise. 当我们要让他遵守诺言时，