“用手的”的英语？

他想用手的触觉容易分辨的模型来代替字母.Instead of letters, he wanted to use shapes that were easy to tell apart by touch.声音识别软件还能使它设计成使用时不须用手的款式.Voice - recognition software will let it be designed for hands - free use.这个组织目前提倡给突然虚脱的成年人使用仅...