坚硬物 meaning in Chinese
flint
Examples
- Why can the obverse side that the supermarket controls silver bar give black to come with hard thing picture ? why is its opposite not ok ? ? request to solve ! thank
为什么超市收银条的正面可以用坚硬物画出黑色来？又为什么它的反面不可以？ ？请求解答！谢谢！