environment
n. 环境,外界
Students in our schools are taught in a safe, secure
environment.

我校学生在安全无忧的环境中接受教育。
The moral characters of men are formed not by heredity but
by environment.
人的品德不是由遗传而是由环境形成的。
environmental
adj. 环境的,周围的;有关环境的
Environmental groups plan to stage public protests during
the conference.
各环保组织计划在会议期间举行一些公众抗议行动。
...the high price of environmentally friendly goods.…环保商品的高昂价格。
英语environment是环境,environmental也是环境,为什么要加al?
environmental:英 [?n?va?r?n?mentl]、美 [?n?va?r?n?mentl]。
adj.自然环境的;生态环境的;与周围环境有关的;由周围环境造成的;环保。
短语搭配:
environmental pollution

环境污染;环境问题;环境污染问题。
environmental scientist
环境科学家。
environmental damage
环境破坏;破坏环境;环境污染。
environmental problem
环境问题。
environmental impact
环境影响;环境冲击;对环境的影响。
双语例句:
1、They award a green label to products that meet certain?environmental?criteria.
他们给符合某些环境标准的产品颁发绿色标签。
2、He had to second-guess what the?environmentalregulations would be in five years' time.

他必须预测五年之后的环保规章是怎样的。
3、The Green bandwagon provided a fillip for many companies tackling?environmental?problems.
绿色浪潮对许多应付环境问题的公司产生了刺激作用。
4、US?environmental?groups had been stepping up their attack on GATT.
美国环保团体一直在加强对关贸总协定的抨击。
5、The report details the?environmental?and health costs of the car.
报告详细列举了汽车的环境代价和健康代价。
environmental是形容词, 而environment是名词.
主要区别:
The environmental is polluted.
环境被污染了.
This man-made beauty has an environmental cost. ←这个的造句真是想不出来了, 所以百度上复制了一下
这种人造的美丽付出了环境的代价。
man-made是人造的
beauty是美丽
cost作名词为代价, 作动词是付出, 这里是名词.