What was once another one of the wild social canids, the grey wolf, has been altered radically, to the point that it has become its own unique animal.

还曾有一种群居性的野生犬科动物——灰狼，已经发生了急剧的变化并形成另一种独特的动物。

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Once it reaches the surface of the soil, the "slug" undergoes another transformation.

一旦接触土壤表面，这条“鼻涕虫”就会发生另一种变形。

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Once the ocean plate begins to sink, it would be affected by another force—slab pull.

一旦海洋板块开始下沉，它就会受到另一种力量——板块拉力的影响。

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In another development, Friday brought news of the death of Sergei Tretyakov, once Russia's top spy.

VOA: special.2010.07.10

Never go back. Find another. Leave at once. Go for a long trip again, but this time we'll go wherever I want, won't we?" I nodded. My Lolita.

绝不会去，另找一所学校，马上走，再去长途旅行，不过这次去我想去的地方，好吗？“我点头，我的洛丽塔。

耶鲁公开课 - 1945年后的美国小说课程节选

Another thing is that, when once an invention is made, it tends to be copied all over the world.

另外，一旦一个发明诞生，它就会被模仿并应用于世界各地。

耶鲁公开课 - 金融市场课程节选

He may target one or two individuals, or start playing team members against once another.

FORBES: Magazine Article

Yesterday I was able to announce a meeting, and then once another one had been scheduled was able to follow up with another announcement.

WHITEHOUSE: Press Briefing

One brook trout erupted from the outlet pipe of a lobby fountain in a newly built Greenwich Village apartment house, which straddles the site of what was once another productive stream Minetta Brook.

FORBES: Brookies Under Broadway