Các câu ví dụ cho từ helping

1. It has a public lighting system now, helping people move safely around at night.

2. Sputnik V is based on vector technology, using a harmless virus that introduces the Covid-19 protein into human cells, helping stimulate the immune system response.

3. She pointed out that Vietnam's contributions and sacrifices in helping the Cambodian people end the Khmer Rouge' genocide are a fact and widely recognized.