试验性的

A petty pharmaceutic firm conducted a pilot scheme among pilgrims with piercing eyes.

一个小制药公司那些观察力敏锐朝圣者当中行了一个试性计划。

This machine was introduced experimentally in 1960.

这台机器1960被试性地。

This trip will be only experimental.

这次旅行只试性。