4道英语翻译题

1.水对我们的健康有必要。
2.我们应该保持空气新鲜阻止细菌。
3.如果我们不经常洗手，细菌就会通过口腔进入我们的身体。
4.用有足够的睡眠会使你今天保持活力。
1.The water is necessity to our health.
2.We should prevent the bacterium to keep the air freshly.
3.If we do not often wash the hands, the bacterium can enter our body through the oral cavity.
4.With enough sleep be able to make you keep the vigor today.