there: adv.1.在那里，到那里，在那个地方。2.在那一点上。3.〔无场所观念，用于 be, come, go 等动词之前。主语除人称代词外应置于后面，以加强语气引起注意；与 be 连用时表示“有”的意思〕。4.与 seem, appear 等动词连用。短语和例子I see a bird there. 我看见一只鸟在那里。 I am now on my way there. 我正
However , some success has been achieved in " evolving " these enzymes in the lab so that they prefer different sites , so there is strong hope that these phages will be safe gene therapy vectors soon 然而，已经取得某种成功：在实验室中"进化"了这些酶，使它们喜欢不同的位点，所以这些噬菌体极有希望很快成为安全的基因疗法载体。
