1. When I was 10 years old, I became a shot-put athlete. 我10岁时，成为了一名铅球运动员。
2. The world, however, is full of more complicated systems than a shot-put toss. 然而，世界上的系统几乎都比推铅球复杂得多。
3. A shot-put athletes in shot-put, saw a shot to fly out of the more than ten meters. 一个掷铅球的运动员在掷铅球，只见一个铅球飞出了十几米。
4. My article aims to study the feasibility and usefulness of "Mastery learning theory" in shot-put Teaching. 本文旨在研究“掌握学习”教学法在铅球技术教学中应用的可行性和有效性。
5. This is his second time to throw the shot-put. If he fails, he'll have no chance to enter the next round of the match. 这已经是他第二次试投铅球了，如果再不合格就没有晋级下一轮比赛的机会了。
