这些极小的小孔使分布稀薄的催化剂保持在原位上，并且能留出有效分解这种燃料所需的尽量大的表面积。

The minuscule pores keep the thinly spread catalyst in place and create the large surface area needed to break down the fuel effectively.

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物品放回原位.不要把东西堆在角落，地上，或者桌子上，花几分钟把它放在它应该在的地方吧！

Put other items where they belong. Instead of laying something on a counter, table, or floor, take a few seconds to put it where it belongs.

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而在诗学的教法力量上，苏格拉底建议在原位置入哲学。

And in place of the pedagogical power of poetry, Socrates proposes to install philosophy in its place.

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So because so much popular music and particularly rock music has those chords in root position we can track them more readily.

因为很多流行音乐尤其是摇滚乐会在原位上添加这样的和弦,这样听起来会比较悦耳。

耶鲁公开课 - 聆听音乐课程节选

And in place of the pedagogical power of poetry, Socrates proposes to install philosophy in its place.

而在诗学的教法力量上，苏格拉底建议在原位置入哲学。

耶鲁公开课 - 政治哲学导论课程节选

Remember we talked about how DNA replicates itself and that there are enzymes, DNA polymerase that bind to the double stranded DNA, separate it, denature it locally, and then start the process of replication.

请记住DNA复制必须有酶的参与,DNA聚合酶结合在双链DNA上,打开双链并原位变性,然后才开始复制

耶鲁公开课 - 生物医学工程探索课程节选