1 sentence

1. 这种材料既轻便又坚韧，非常适合制作登山绳。

   zhè zhǒng cái​liào jì qīng​biàn yòu jiān​rèn, fēi​cháng shì​hé zhì​zuò dēng​shān​shéng.

   This material is both lightweight and tough, making it ideal for climbing ropes.

   Source: Dong Chinese Dictionary