试验性的

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

一个小制药公司在那些观察力敏锐朝圣者当中进行了一个性。

This machine was introduced experimentally in 1960.

这台机器在1960年被性地引进。

This trip will be only experimental.

这次旅行性。