Correct 钻头 / zuàntóu / Strokes Definition drill bit Example As a Noun bit (of a drill) 1 Sān 三 yá 牙 lún 轮 zuàn tóu 钻头 Copy Pinyin Sentence three cone bit 2 Zhuāng 装 shàng 上 zuàn tóu 钻头 Copy Pinyin Sentence brace a bit 3 Xiè xià 卸下 zuàn tóu 钻头 Copy Pinyin Sentence break out a bit
