It's used for cutting.
用于切割。
初三英语课文
Unit 16 What's it made of
📚 句中词汇解析
从本句中提取的重要词汇
adj. 用过的;习惯于;二手的;旧的;
v. 使用（ use的过去式和过去分词）;常常，经常;
"Things ain't what they used to be."
现在情况不比从前了。
近义：outworn, worn, utilized, wonted, accustomed
反义：unused, unworn
cutting
[['kʌtiŋ]]
n. 切断, 切下, 路堑\\n[化] 切屑
近义：snippet, clipping, snip, trimming, clip, trim
反义：innocuous, offenceless, safe, unoffending, benign, harmless