dot-and-dash
美
英 
英汉解释
例句
A paddle with definitive yet subtle tactile feedback, friction free return, and perfect closure on every dot and dash.
有超卓的性能,亦回弹力适中,有极敏感的触觉回馈,完美完成每一个“嘀”和“哒”。
They invented a system of dot and dash symbols which could be punched out on thick paper and read by touch at night
他们发明了点、划符号系统,在厚纸上打出点与划,这样晚间通过手摸的方式便可阅读。