留美老师带你每日说英文 第464期:动物粪便的奇异功能
时间:2019-03-05 作者:英语课 分类:留美老师带你每日说英文
英语课
台湾籍旅美老师今天交给我们的句子是:
And farmers know the importance of waste in raising their crops, but feces aren't just for fertilizing 1. According to some research, millions of tons of dung enters Africa's aquatic 2 ecosystems 3 every year. Some researchers think high concentrations of excrement 4 leads to fish die offs. (But new research suggests it might be good for the fish!)
对于栽培农作物的农夫来说,排泄物是非常重要的。但是排泄物不只可以用来施肥。根据研究显示,每年有数百万吨的粪便排入非洲的水生态系统。部分研究人员认为高浓度的排泄物会导致鱼群死亡,但最新的研究显示粪便对鱼是有益的!
v.施肥( fertilize的现在分词 )
- Sometimes the preliminary step must be taken of reducing weed population before fertilizing. 有时候,在施肥之前,必须采取减少杂草密度的预备性步骤。 来自辞典例句
- The self fertilizing garden can also be planted in raised beds. 自我施肥的菜园也可以在苗圃床中种植。 来自互联网
adj.水生的,水栖的
- Aquatic sports include swimming and rowing.水上运动包括游泳和划船。
- We visited an aquatic city in Italy.我们在意大利访问过一个水上城市。
n.生态系统( ecosystem的名词复数 )
- There are highly sensitive and delicately balanced ecosystems in the forest. 森林里有高度敏感、灵敏平衡的各种生态系统。 来自《简明英汉词典》
- Madagascar's ecosystems range from rainforest to semi-desert. 马达加斯加生态系统类型多样,从雨林到半荒漠等不一而足。 来自辞典例句
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