1. The debate whether a virus is living or nonliving leads nowhere. 争论病毒是生物体还是非生物体是徒劳无益的。
2. A coating or covering on the surface of a living or nonliving substrate composed of organisms like bacteria, protozoa and algae. 由微生物、原生动物、藻类等于生物体或非生物体表面之薄层覆盖物。
3. The environment is everything around us. It includes all of the living and the nonliving things (air, water, and energy) with which we interact. 环境是一切在我们附近。它包括所有生活和无生物（空气、水，和能量）。
