她是一位环保的先锋。
tāshì yīwèi huánbǎo de xiānfēng 。
She is a pioneer in environmental protection.
这项技术的先锋正在改变行业。
zhèxiàng jìshù de xiānfēng zhèngzài gǎibiàn hángyè 。
The vanguard of this technology is changing the industry.
作为文化的先锋,他推动了许多创新。
zuòwéi wénhuà de xiānfēng , tā tuīdòng le xǔduō chuàngxīn 。
As a cultural pioneer, he has promoted many innovations.