368. They also carry out research work aimed at extending man's knowledge of these subjects.

译文

他们也会开展旨在扩充人类对这些学科的知识的研究工作。

点睛

carry out意为“实行，进行”。如：
You should carry out that plan as soon as possible. 你应该尽快实施那项计划。
They carried out the commander's instructions to the letter. 他们不折不扣地执行了指挥官的指示。
aimed at意为“目的是，旨在”。如：
The measures were aimed at preventing crimes. 这些措施旨在预防犯罪。
extend此处意为“扩充，扩大范围”。如：
The company plans to extend its operations into Africa. 公司计划将业务扩展到非洲。

考点归纳

有关carry的动词短语常见的还有：
carry on意为“继续做，坚持”。如：
Carry on, everyone! 大家坚持住！
They carried on dancing as if nothing was happening. 他们继续跳舞，就好像什么事都没发生一样。
carry over意为“继续存在，留后使用”。如：
Vacation time can be carried over into next month. 假期可以延至下个月。
carry through意为“实现，完成；使渡过难关”。如：
He's determined to carry that through. 他决意完成那件事。
Your support carried me through. 是你的支持让我渡过了难关。