美 [ɡraɪnd daʊn]
逐渐磨损：通过逐渐磨掉微小的部分，使硬物变小且更光滑。
逐渐削弱或摧毁：逐渐削弱或摧毁某人或某物。
grind down // [ grinding ground grinds ]
动词词组 If you say that someone grinds you down, you mean that they treat you very harshly and cruelly, reducing your confidence or your will to resist them. 折磨
"You see," said Hughes, "there's people who want to humiliate you and grind you down."
“你看，” 休斯说，“有人想羞辱你、折磨你。”
磨损
... grin 浪中航行船头没入水中 grind down 磨损 grind in 磨合 ...
... The plants should be protected from the cold. 应该保护这些植物使之不受冻。 grind down 折磨 They were ground down by poverty. 他们备受贫穷的折磨。 ...
... grind away把…碾成粉末,磨破,用坏 grind down碾碎,磨成粉,折磨,压迫 grind out压榨出,(乐器等)单调地奏出 ...
... grind研磨；研碎；粉碎；捣；擂 grind down碾碎；磨成粉 grind up碾成粉；擂碎 ...
It won't grind down any finer than this.
不能磨得比这个再细了。
Roll grinder a special lathe used to grind down or resurface rubber applicator rolls.
辊子打磨---特殊的车床用来磨去和涂布辊的表面。
It would be necessary to "grind down" the size of these abutment teeth to prepare them for crowns.
需要将作桥墩的牙磨掉一些，准备套上金牙冠。
There's a way to actually grind down and prepare the flour, so that you promote the enzymes within the plant to breakdown the cyanide precursors.
有一种方法是将它们磨碎，做成粉，这样就可以促进它们本身带有,酶将氰化物的前驱体分解掉。
化学原理课程节选 : 麻省理工公开课
"They're going to play tough and physical and they can grind down a team on the forecheck, " Bylsma said.
Beyond this obstinate spine of rock that the Colorado has not yet managed to grind down, the river enters Canyonlands National Park.
These regulatory changes and neglects made it possible for shorts to grind down healthy financial institutions almost into the dirt.