broken ball

基本解释

There were sections of very large, sharp-edged broken rock, golf ball-sized and larger.
有部分非常大，鋒利的碎石，高爾夫球大小和更大。
The results show that the original crack is brought by high welding heat, which can cause the broken of ball valve.
結果表明，銲接時輸入熱量過高産生的原始裂紋是球閥斷裂的主要原因。
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In the other, a young boy suffered a broken arm when the ball he was in fell out of a shallow above-ground pool and landed on the hard ground.
另一起事故中，水上步行球從地上淺水池中滾出來，掉到堅硬的地麪上，球裡的小男孩把胳膊摔斷了。