基本解释[医药科学]注射针研磨器英汉例句双语例句Smith also designed a special needle and a needle sharpener.史密斯也设计了一个特殊的针和一个注射针研磨器。needle sharpener更多例句词组短语短语electric needle sharpener 电动注射针研磨器fixing attachment for needle sharpener 注射针研磨用固定器needle sharpener更多词组专业释义医药科学注射针研磨器