Macrofractography
断口低倍检验, 断口宏观检验
🗣️ 情景例句
If you cannot make a counter offer, then I'm afraid we can't make a deal.
如果你不还价的话，恐怕我们无法交易。
If he doesn't pay him, I will.
如果他不，我将付给他。
Girls' 100-metre race: first -- Wu Dong!
女子100米赛跑：第一名--吴东！