环境学概论的英文：
Introduction to Environmental Science

introduction是什么意思：
n. 介绍；引进；采用；序言；入门；序曲

This is an Introduction to Biochemistry.
这是本《生物化学入门》书。

Listen to the introduction!
快听这首序曲！

This is a descriptive, not an evaluative introduction.
这是一份描述性的，而不是评量性的介绍。

environmental是什么意思：
adj. 自然环境的，生态环境的，有关环境的

The environmental impact statement on a construction project must assess the pollution the projects is likely to produce and its impact on the environment and stipulate the preventive and curative measures;
建设项目的环境影响报告书，必须对建设项目产生的污染和对环境的影响作出评价，规定防治措施，

Since the publication of its first White Paper on the environment in 1989, the government has moved rapidly and invested large sums of money to correct past environmental abuses and prevent future abuse.
香港政府自一九八九年发表首份论及环境的白皮书以来，一直奋力前进，注入大量财力，决心纠正过往的环境流弊，防患未然。

science是什么意思：
n. 科学，专门技术

Information technology is the science—the underlying science—of institutional restructuring.
信息技术是机构改革的关键性科学手段，是你用以重组机构的科学。

In college I majored in science.
在学院里，我主修自然科学。

What a triumph for science!
这真是科学上的壮举！