He said and sat down, gazing thoughtfully into the river, silent and pre-occupied.

他说着坐了下来，若有所思地望着河水，一声不吭，全神贯注。

youdao

The method involved solid-phase extraction of insulin from plasma and pre-column derivatization of insulin with fluorescamine.

该方法涉及从血浆中固相提取胰岛素，以及用荧光胺对胰岛素进行柱前衍生。

youdao

The post-startup and pre-shutdown hooks are blank by default.

启动后和关闭前挂钩在默认情况下是空的。

youdao

"We continue to call for Russia to abide by the August 2008 cease-fire commitment signed by President Saakashvili and President Medvedev, including ending the occupation and withdrawing Russian troops from South Ossetia and Abkhazia to their pre-conflict positions."

VOA: standard.2010.07.05

And he has a theory about early life and perfectly appropriate as far as one can tell of what pre-human form he studied.

他有一个有关早期生命的理论,一般人都会觉得很正常,他研究人类之前的生命形式没有什么不合适。

普林斯顿公开课 - 人性课程节选

It says they're not the same, and boy, I need help on this one, John, John pre-defined eq in there.

我并没有对它进行定义,它说它们并不相等，噢同学们，在这里我需要帮助了，在这里并没有，it’s，not，，there’s，no,提前定义的等于啊。

麻省理工公开课 - 计算机科学及编程导论课程节选

The pueblo of grass roofed buildings, round river-stone plazas and pre-Colombian magic is off limits to camera-clad foreigners.

BBC: Colombia��s spiritual centre

So far, experiments that use Celebrex to fight cancerous and pre-cancerous growths are promising.

FORBES: Magazine Article

The two-person teams were matched based on personalities and pre-existing trust between the two players.

FORBES: 4 Leadership Lessons From The 2012 Ryder Cup