descents造句怎么写

Researchers have long assumed that deep-diving whales conserve their oxygen supply by moving slowly, not more than 2 metres per second, during their long descents.

The barrier function of intestinal tract always descents at different level after burned, including mechanical barrier, biologic barrier and immunologic barrier.

Swiss Alps Mountain Passes Swiss Tour: The mountain passes of the Alps are always a favourite with bikers, as the winding roads offer dramatic climbs and descents coupled with stunning views.