Meaning of rén lèi:
人类
humanity; human race; mankind
Kēxué jìshù de jìnbù duì rénlèi yǒu hěn dà yǐngxiǎng.
科学技术的进步对人类有很大影响。
The advance of technology has a great impact on humanity.
Kēxué de fāzhǎn duì rénlèi yǒu hěn dà de yǐngxiǎng.
科学的发展对人类有很大的影响。
The development of science has a great impact on the human race.
Zài wèilái, rénlèi de kējì jìnbù jiāng huì gǎibiàn wǒmen de shēnghuó.
在未来,人类的科技进步将会改变我们的生活。
In the future, mankind's technological advancements will change our lives.