同义替换时需大开脑洞
同义替换未必是同义词替换，而是paraphrase。

有志向的，雄心壮志的 adj.
1.ambitious=ambition=power-hungry/power-mad=competitive=determined to be successful, rich, powerful etc.

努力 n.
2.effort=to try very hard to do something=attempt=campaign=drive

特点 n.
3.feature= a part of something that you notice because it seems important, interesting, or typical；a part ofthe land, especially a part that you can see: a part of someone's face, such astheir eyes, nose etc.

地球 n.
4.planet= the world=earth/Earth=the globe

无法预测的 adj.
5.unpredictable=can't say/tell=unforeseeable=it remains to be seen

机械 n.
6.machinery=machines, especially largeones= a system or set of processes for doing something=machine=device=robot=appliance=mechanism

最终的，根本的 adj.
7.ultimate=someone's ultimate aim is theirmain and most important aim, that they hope to achieve in the future= final

气氛; 大气 n.
8.atmosphere= the feeling that an event orplace gives you= the mixture of gases that surrounds the Earth

发生 v.
9.occur=happen=take place=there is=come about=come up=turn up=arise=strike

扩张，扩大 v.
10.expand= get bigger=grow=swell up=stretch

形式 n.
11.form= type= way something is/appears=shape

出现 v.
12.emerge=appear=become visible=come intoview/come into sight=come out=reappear

发出，放射 n.
13.emit= to send out gas, heat, light,sound etc

情况，状况 n.
14.situation=circumstances=position=case=plight

自觉的 n.
15.self-conscious=worried and embarrassed about what you look like or what other people think of you

产生 v.
16.generate= to make someone have aparticular feeling= form=produce=create

各种各样的 adj.
17.various=there are several different types of that thing=different=a variety of something=differing=varying=anassortment of something=assorted=a mix of something=a mixture of something

方便的 adj.
18.convenient= a thing or way of doing something that is easy and quick; a time or arrangement that is convenient