pioneering

adj. /ˌpaɪəˈnɪr.ɪŋ/ C1

开创性的；先驱的

Using new ideas or methods that have not existed before.

仙境例句

The old Tortoise was a pioneering teacher, the first in the sea to give lessons in Seaography.

老陆龟是一位开创性的老师，是海里第一个开“海理”课的。