He says the new lighter and stronger composites could build solar panels or even structural systems.

他说，新的更轻更坚固的复合材料可以建造太阳能电池板，甚至是结构系统。

The new, lighter helmets should also provide relief for guard members wearing the helmets for long periods of time.

新头盔更加轻便也让长期佩戴头盔的卫队成员感到轻松。

He has no use for a new lighter.

他用不着新打火机。