n.方向性，定向性，指向性...

directionality的音标：directionality的英式发音音标为：[dɪˌrekʃə'nælɪtɪ]directionality的美式发音音标为：[dəˌrekʃə'nælətɪ]...

The directionality of written English is from left to right.英文的书写方向是自左至右.It has the nature of randomness , generality, problem solving , radiativeness, directionality and creativity.它具有随机性 、 概括性 、 问题性、辐射性、指向性和创造性.The the...