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percolate water through sand是什么意思？

percolate water through sand

用砂滤水

相关词汇
percolate water through sand

percolate

vi. 滤，渗透，（思想等）渗透，渗入；vt. （用渗滤壶）煮（咖啡），渗滤；

water

n. 水，雨水，海水，海域；v. 给…浇水，供以水，加水稀释，流泪；

through

prep. 通过，穿过，经由，透过，凭借；adv. 从头到尾，彻底，自始至终；adj. （电话）接通，通话完毕，有洞的，直达的；

sand

n. 沙，沙滩，沙色；vt. 撒沙于，用砂纸磨光；
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
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The child delighted his parents with mimicries.
孩子学这学那,逗他的父母高兴。
Negotiations have just been completed.
谈判刚刚结束。
a day of mourning for the victims of the tragedy
哀悼悲剧受害者的一天
He has consistently denied murdering his estranged wife.
他自始至终否认谋杀了分居的妻子。
The previously free (= not paid for) distribution of text books will now be confined to students who are needy.
以前免费发放课本， 现在只给贫困学生。
to obliterate your tracks
抹掉足迹
helping the children of poor and needy parents
帮助来自贫困家庭的孩子
Their political power is on the wane.
他们的政治势力逐渐减弱。
With a supply of compressed air,the large balloon inflated in a matter of seconds.
大气球注入压缩空气后,几秒钟便膨胀了起来。
We hope the programme will dispel certain misconceptions about the disease.
我们希望这个节目能消除对这种疾病的一些误解。
She has limited mobility in her arms.
她的双臂只能做有限的活动。
vernacular movement
白话文运动
She had a haunted look, as if she were constantly anxious or afraid.
她显得忧愁不堪,仿佛一直在担心害怕似的。
a voucher entitling you to a half-price meal
可享受半价餐的代币券