It is a labor to task the faculties of a man — such problems of profit and loss, of interest, of tare and tret,(8) and gauging of all kinds in it, as demand a universal knowledge.
On the west side of the island, rainfall swelling a river, the Guanajibo River in Hormigueros, surpassing its previous record high at 28.59 feet, set during Hurricane Maria, now gauging to over 29 feet, the National Weather Service said.
That helps with gauging DART's effects — think of Dimorphos a bit like the second-hand on a clock where Didymos is the hour-hand or the clock itself —it's easier to see small changes by watching how the smaller object moves.
这有助于 DART 的影响——把 Dimorphos 想成时钟上的秒针，Didymos 则时针或时钟本身——通过观察较小物体的移动，更容易看到微小的变化。
He said it earnestly, and to do him justice he had. In gauging fathomless deeps with his little mean excise-rod, and in staggering over the universe with his rusty stiff-legged compasses, he had meant to do great things.