②investment n. 投资
③investor n. 投资者
①It's about time you invested in a new skirt!
你该买件新衬衫了!
②This country needs investment(invest)in education.
这个国家需要对于教育的投资。
(2)preserve v.保护;保存
①preserve...from... 保护......免受......
stop/prevent/keep sb.from doing 阻止某人做......
save...from... 从......中救出
free sb.from... 使某人免受......
protect sb.from/against 保护某人免受......
②preserve n. 保护区/专门领域
preservation n. 保护;维护;保存
preserver n. 保护者;保存者
③What can we do to preserve endangered species forests from extinction?
我们怎么做才能保护濒危物种免遭灭绝?
④The old building is in good preservation(preserve).
这栋旧建筑保存得很好。
existence n.存在;生存
(教材P72)These discoveries proved the existence of a human species who lived in the area between 700,000 and 200,000 years ago.
这些发现证明了在大约七十万年前到二十万年前之间就有人类生活在该地区。
①come into existence 开始存在;产生;成立