Unit4OurWorld1
thinkof…想起,认为thinkaboutsth
考虑某事think…over再三思考whatdoyouthinkof…
=Howdoyoulike…
Asweknow=Itiswellknownthat正如我们所知3
Itisimportantforsbtodosth做什么事对某人来说很重要4
cover覆盖discover发现cover名词盖子封面动词覆盖becoveredwith被…覆盖discover动词发现discovery名词5
playanimportantpartinsth
(在什么事上)起重要作用6
controltheclimate控制气候7
protectsth/sbfromdoingsth保护某人免于8
liveinthecity----liveontheland9
keepthewatercycling保持水循环10
over=morethan超过,多于11
feed=keep=raise饲养feedon以为食feedsthtosb/sth把喂给12
share…with…与…分享…13
innumber总计,在数量上anumberof=alotof许多,大量thenumberof…的数量+动词单数14
kill…for…为了…而杀死…15
hundredsof成百上千的thousandsof成千上万的millionsof数百万的billionsof数十亿的twohundred两百tenthousand一万fivemillion五百万16
inthesouthofChina在中国的南部17
beindanger处于危险状态outofdanger脱离危险danger危险---safety安全n
dangerous危险的---safe安全的adj
情态动词表示推测:maybe可能,mustbe肯定是,can’