定向: directional; orient; orientation; sense of orientation; predetermined orientation 短语和例子无线电定向 radio range orientation; 给 ... 定向 give an orientation to; 定向爆破 directional [directed] blasting;
算: Ⅰ动词1.(计算数目) calculate; reckon; compute; figure 短语和例子能写会算 (be) good at writing and reckoning; 算算旅行的费用 calculate the cost of a journey; 请你算一算我该付多少钱? please reckon up how much i must pay? 算出这
