live ball

And yet I am the confidence of all, To live and breathe on this terrestrial ball.

然而我是一切的信心, 在陆地上生活呼吸着.

The earth on which we live is a big ball.

我们居住的地球是一个大圆球。

Live ball firing practice is an important means to test and improve the actual combat capability of the armored forces. The shooting results being measured timely and accurately is a key factor affecting the training effect.

实弹射击训练是检验和提高装甲部队实际作战能力的重要方法和手段，而射击结果的测量是否及时和准确是影响训练效果的关键因素。

A live ball is one in play.

活球就是正在打的球.

Methods: The live porcelain ball in living creature sieve pond, combining the combinative ozone disinfects the technique observes the river water handles in front and back the circum stance of the fluid matter variety.

方法：在生物滤池内装有活性瓷球，并结合臭氧消毒技术观察河水处理前后水质变化的情况。

In the beginning, the planet upon which we live was ( as far as we now know) a large ball of flaming matter, a tiny cloud of smoke in the endless ocean of space.

起初，我们所居住的星球就像一个烈火燃烧的大火球（就我们现在所知），像是苍茫宇宙中的一屡烟尘。