diametrical(形容词):
/ˌdaɪəˈmɛtrɪkəl/
The two schools are on diametrical sides of the river.
两所学校在河的两岸,正好相对。
Their conclusions were diametrical, shaped by different assumptions and priorities.
他们的结论截然相反,这是由不同的假设与优先事项所塑造的。
来自 diameter(直径)+ 形容词后缀 -ical。diameter 源自希腊语 diametros(穿过圆心的测量线),由 *dia-*(穿过)+ metron(测量)组成。因“直径穿过圆心并连接圆周两端”,引申出“在同一直径两端——完全相对/对立”的含义。