Natural soil fertility is dropping in many areas because of continuous industrial fertiliser and pesticide use, while the growth of algae is increasing in lakes because of the fertiliser run-off.
在很多地区，由于工业化肥和农药的持续使用，导致自然土壤的肥力正在下降，然而化肥的流入却导致湖泊中藻类生长得越来越快。
Dropping off the dog will take us several hours off the planned route, so we review our day's schedule with this adjustment in mind.
送走小狗会花去我们若干小时，这使我们偏离所计划的路线，因此我们在心中审视我们一日的安排，并进行相应的调整。
Though dropping a box off from time to time seems harmless, they add up quick and your storage unit will end up as cluttered and confused as your closets may once have been.
向储藏室放置东西的时候会花费你的一些时间，但这是有必要的，虽然一个盒子的掉落不会带来什么，但是如果你不花费时间去捡起它，那么到最后你的储藏室也将会像把东西都放在家里一样乱。
Someone keeps dropping off and coming back on but no one knows who.
有人半途掉线，又半途进来，但是谁也不知道是谁。
We retried without turning off 2G, and instead of dropping, the call continued on 2G without a hiccup.
在不关闭2G网络的情况下我们又试了一次，这次通话在2G网络上继续了，其间没有间断。
In fact, it's generally known that when people engage in any activity requiring concentrated effort, performance starts dropping off after 60-90 minutes.
实际上，根据我们的常识，当人们从事注意力高度集中的活动时，性能状态在60- 90分钟之后就会降低了。
You may be going through difficult times right now and feel like dropping off the planet. You're discouraged because the situation you face seems unmanageable, unreasonable, or unfair.
也许你现在正处于艰难的时期，感觉像坠入谷底。你因为面临的情况看起来无法掌控，无法解释或者不公平而感到沮丧。
Have you accidentally broken your phone by dropping it down the toilet, knocking it off a window ledge or leaving it in the oven?
你有没有曾经不小心把手机掉进厕所里，或把屏幕弄坏，或把它留在烤箱里而使得它坏掉？
Because they were so sensitive to deadly gases such as methane and carbon monoxide, a canary dropping off its perch was a highly visible signal to the miners that it was time to leave.
因为它们对于甲烷和一氧化碳等致命毒气非常敏感，从栖木上掉下来的金丝雀是一个明显的信号，告诉矿工是时候离开了。
Water prevents the needles from drying and dropping off and maintains the fragrance.
水能使松针保持色泽和柔韧，阻止松针大量脱落。
Joan Sawyer of Bedford says all her efforts paid off after realizing the horror of dropping her diamond ring into her single trash bag, that wound up among thousands of others.
贝德福德市的琼-索耶称说，在上千个垃圾袋中找回自己曾误丢戒指的那一袋，她所有的努力都值得了。
He made good time, and after dropping off his daughter, Shamrim, Abraham and his son, Walentin, had a moment to spare.
由于车开得快，在把女儿莎姆丽姆送到学校后，亚伯拉罕和儿子威伦廷还有点儿空闲时间在一起。
I ask him, dropping my bag and kicking my shoes off onto the rug.
我问他，放下我的背包，脱下鞋丢到地毯上。
Growing smaller means parking planes, laying off workers and dropping destinations, meaning potential customers have fewer reasons to book.
缩小规模，意味着让飞机停飞、裁员以及减少目的地的数量，那么潜在客户预订机票的理由就更少了。
Once it's undone, turn your back on him and shimmy it off your shoulders before dropping it to the floor.
一旦这些做完了，背对着他，跳狐步舞把衣服从肩膀抖到地板上。
The lobby was full, mostly with people dropping off various animals that they no longer wanted.
大厅里挤满了人，大部分人来丢弃他们不要的宠物。
Or there's the grim Goodbye Door at the Jewish Montessori, beyond the threshold of which the dropping-off parent is forbidden to pass.
或者在犹太人的蒙特梭利幼儿园的肃穆的送别门口，送孩子的家长们禁止迈入门槛。
You may be going through difficult times right now and feel like dropping off the planet.
也许你现在正处于艰难的时期，感觉像坠入谷底。
Her daughter used to be in day care or preschool from 7 a.m. to 6 p.m., but Mrs. Salinas began dropping her off later and picking her up earlier.
女儿从早上7点到下午6点都在幼儿园，但不久前，萨利娜忽然很晚才送孩子入园，很早就去接她回家。
As I was just dropping off, I heard a loud banging noise.I told myself it was just the neighbors and to stop making myself paranoid.
我刚要睡著，突然听到砰砰的巨响，我心想可能是邻居，告诉自己不要乱想。
They also had trouble speaking—dropping some sounds off the beginning of words, for example, so that they would say “able” when they meant “table.
他们在表达上也有问题，常常丢掉一些词汇开头的音素，例如他们会说“能（able）”，但实际上想说的是“桌子（table）”。
He and his wife were busy Saturday, dropping off their only child, Allie, at Earlham College in Richmond, Ind., to begin her freshman year.
因为他和妻子在周六忙着送他们的独生女allie去里奇蒙的厄勒姆学院，开始她的大一新学年。
The SUNS dropping down in the bay and falling off the world there's a diamond in the sky, our evening stone in our shangri-la.
我们的晚上石头在我们的shangri la里。
Dropping off infantry has a more tactical role since it is more about unit insertion than transporting Armor.
空投步兵更多的是起到战术作用，因为比起运送装甲来，他更多的是单位的穿插。
They are looking for anybody who saw something in this area that would directly relate to the dropping off of a package.
他们正在寻找看到这个区域一些东西的人，嫌疑人将直接关联到放下一个包裹。
After dropping off Cammie and Mack with a neighbor, Mike raced his car along 1604 toward the hospital.
在把开米和麦克安顿给邻居炤看后，迈克开著车沿著1604号公路开往医院。
For it turns out the most effective shopping sprees are the snappiest ones – with our ability to spot a bargain dropping off significantly after less than half an hour.
研究证明，在购物狂潮中动作最快的人才是最会买东西的人。——我们讨价还价的能力在不到半小时的时间内就会明显降低。
The Boston Police division that regulates taxis says Cohen faces suspension for violating rules requiring drivers to inspect their cabs for forgotten items after dropping off a fare.
管理计程车的波士顿警察分局说，柯恩因为违反规定而面临停业；依规定，计程车司机要在送乘客下车后，检查车内是否有遗忘的物品。
The Boston Police division that regulates taxis says Cohen faces suspension for violating rules requiring drivers to inspect their cabs for forgotten items after dropping off a fare.
管理计程车的波士顿警察分局说，柯恩因为违反规定而面临停业；依规定，计程车司机要在送乘客下车后，检查车内是否有遗忘的物品。
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