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declining soil fertility是什么意思？

declining soil fertility

正在下降的土壤肥力

相关词汇
declining soil fertility

declining

adj. 倾斜的，衰退中的；v. 辞谢，谢绝（邀请等）( decline的现在分词 )，（道路、物体等）下倾，（太阳）落下，（在品格、价值上）降低；
例句
Interest rates generally have been declining since last spring, despite a few upward blips in recent weeks.
尽管近几周出现了几次短暂的回升，但自去年春天开始利率在整体上还是一直呈下降趋势。

soil

n. 泥土，土地，国土，滋生地，温床，粪尿，肥料；vt. 弄脏，污辱，给…上粪（施肥），被弄脏，变脏，用青草饲料喂养（牲口）；vi. 变脏、受污染或玷污的，变脏；
例句
Aerate the soil by spiking with a fork.
用耙刨地使土壤透气。

fertility

n. （土地的）肥沃，肥力，丰产，<生>繁殖力；
例句
...hormones which control fertility and body growth...
控制生殖和身体发育的荷尔蒙
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
Shakespeare is a giant among writers.
莎士比亚是作家中的巨擘。
We expected him, but he never appeared.
我们等他, 他却一直没来。
We reckon your pay with our adding machine.
我们用加算器来计算你的薪金。
Their faces were alit with happiness.
他们脸上喜气洋洋
If the management try to cut our pay, we can put a spoke in their wheel by going on strike.
如果管理层试图削减我们的工资，我们就会通过罢工来阻止他们的企图。
They looked as if they didn't care.
他们看起来好像不在乎。
His colleagues regard him as a joke.
他的同事们把他当作取笑的对象。
No admittance except on business.
非公莫入。
Desertion is a ground for divorce.
被配偶遗弃是离婚的充分理由。
In any case,she had no doubts about the breakup with Todd.
不管怎样她和托德分手是没有疑问的。