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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。
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。
相关例句
gold 12 karats fine
十二开金
She was complacent about her achievements.
她对自己的成绩沾沾自喜。
Owing to little response,his speech tailed off to a hesitant end.
由于得不到多少反应,他的演说吞吞吐吐地收了场。
I have a filling in the tooth.
我补牙了。
The doctor administered some medicines to his patient.
医生给了他的病人一些药。
He spent many hours in deep contemplation.
他花了多个小时专心思考。
The speech aroused the enthusiasm of the students.
那篇演说唤起了学生们的热情。
He is friendly towards me.
他对我友好。
immediate demobilization of the reserves.
备用的立即复员
The union has imposed a ban on overtime.
工会制定了超时加班的禁令。