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Fluviatile sands deposited by delta distributaries are quartzose.是什么意思？

Fluviatile sands deposited by delta distributaries are quartzose.

三角洲分流中沉积的河流砂是石英质的.

相关词汇
fluviatile sands deposited by delta are

fluviatile

adj. 河的，生在河中的；

sands

n. 沙漠，沙( sand的名词复数 )，沙子，沙滩，沙洲；
例句
He had been a rock in the shifting sands of her existence.
他一直是她曲折坎坷的生活中的主心骨。

deposited

v. 存放( deposit的过去式和过去分词 )，（尤指小心地或准确地）放置，付（保证金），（把硬币）放入（自动售货机）；
例句
Fritz deposited a glass and two bottles of beer in front of Wolfe...
弗里茨把一个玻璃杯和两瓶啤酒放在沃尔夫面前。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；
例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

delta

n. 希腊语字母表第四字母δ，（河流的）三角洲，[数]变量增量；
例句
The delta region of the Rio Grande river was a forsaken land of thickets and swamps.
里奥格兰德河三角洲曾是一片遍布荆棘和沼泽的荒废之地。

are

vi. （用于第二人称单复数现在时，第一、三人称复数现在时）是；n. 公亩（等于100平方米）；
例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。
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。
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。
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。
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。
相关例句
We classify most male singers as tenors, baritones and basses according to their registers.
大部分男歌手根据音域分为男高音 、 中音和男低音.
He tried to palm off the bad check on someone else.
他试图把有问题的支票交给其他人.
One brand of cigarettes is called Malibu.
有种名叫Malibu的品牌香烟.
We suggest that the contrast between investors'and policymakers'perceptions results from three fundamental disconnections.
我们认为,投资者和决策者之间认知的差异,源自3个基本“脱节”.
go to the scaffold
被处死刑, 上绞刑台
...the history of peoples from the African diaspora.
非洲移民的历史
As we have been practising regularly, we are sure of winning the game this time.
因为我们一直在训练, 所以这次比赛有把握赢。
Trucks and cars shuttling and fro on the highways.
公路上卡车和汽车正来往“奔驰”穿梭.
To beat to a powder or pulp; pulverize or crush.
捣碎,碾碎,舂烂:打碎成粉末或浆; 磨碎或压碎.
They kept switching meeting places.
他们不断改变碰面的地点。