demonstrational

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Involving, or relating to, demonstration. not-comparable
    — In order to reduce the time spent in individual experimental work there has been a trend toward a demonstrational lecture procedure by means of which the student is given an opportunity to observe natural occurrences […]

词源

From demonstration + -al.
0 次浏览 数据来源: Wiktionary