They rootle up the undergrowth left over from selective grazing.

他们把选择性放牧留下的灌木丛连根拔起。

I startled a little at the sight of him in civvies, rootling under his desk.

看到他穿着便服，在他的桌子底下扎根，我有点吃惊。

Once, presumably, this quadrangle with its smooth lawns, its massive buildings and the chapel itself was marsh too, where the grasses waved and the swine rootled.

据推测，这个四合院拥有平坦的草坪、巨大的建筑和教堂本身，曾经也是沼泽地，草地在其中摇摆，猪群在其中扎根。

Hence the libraries and laboratories;the observatories; the splendid equipment of costly and delicate instruments which now stands on glass shelves, where centuries ago the grasses waved and the swine rootled.

因此，图书馆和实验室； 天文台；昂贵而精致的仪器现在矗立在玻璃架子上的华丽设备， 几个世纪前草在挥舞着， 猪在上面扎根。