1 sentence

1. 这种变速电钻可以根据不同的材料调整转速。

   zhè zhǒng biàn​sù diàn​zuàn kě​yǐ gēn​jù bù​tóng de cái​liào tiáo​zhěng zhuàn​sù.

   This variable-speed drill can be adjusted for different materials.

   Source: Dong Chinese Dictionary