| We also need to cross the boundary between environmental and non-environmental issues. |
| It spans the frontier of Leon and Asturias, the boundary of the realms of cloud and sun. |
| He advises you therefore to name the ambient sea for the boundary of your hospital. |
| At length he rose and climbed on, presently turning at a right-angle to bisect the strip to its boundary before he paused to rest. |
| Its posterior surface forms the anterior boundary of the chamber in which the aqueous humor is contained. |
| The Brazilian commissioners took advantage of the fact that the apa River has two forks, and chose the south fork as the boundary. |
