“环境学”的英语可以翻译为：environics，environmental science，environtology ...

“无止境”的拼音为：wú zhǐ jìng...

他被诱骗越境,然后被当作间谍逮捕.He had been decoyed across the frontier and arrested as a spy.我知道你在将一些东西越境私运到国内.I know that you're smuggling things across this border.他在越境地点被卫兵逮捕.He was arrested by guards at the border crossing....

洛杉矶穷人的境况仍未得到改善。Conditions for the poor in Los Angeles have not improved.一定有很多人处在我这种境况。There must be any number of people in my position.看到这些人的生活境况，我深受触动。It has touched me deeply to see how these people live....

“处境”的英语可以翻译为：the circumstances (one finds oneself in)，unfavourable situation，plight，place，spot ...