'I am exceedingly ignorant of the necessary preliminary steps.

“我对必要的预备步骤一无所知。

The preliminary step was pure gain.

初步步骤是纯粹的收获。

The Biotechnology Industry Organization (BIO) , a trade group, assured members that this was just a " preliminary step" in a longer battle.

生物科技行业组织 (BIO) 是贸易组织，该组织认为这个判决是长期斗争的一个前奏。

Having resigned the appointment I have returned here, as a preliminary step to finding another vent for my energies; in other words, another milch cow for my sustenance.

辞去职务回到这里，作为为我的能量寻找另一个发泄口的初步步骤；换句话说，我又养了一头奶牛。

Now the gene drive mosquitoes are going to be tested in an open field only after this preliminary step and the potential risks have been looked at very carefully.

现在，在完成这一初步步骤并非常仔细地审查了潜在风险之后，基因驱动蚊子才将在露天进行测试。