| A | B |
|---|
| lagoon | an area of shallow water open to the sea but separated from the ocean by low, sandy dunes |
| simultaneously | concurrently; occurring at the same time |
| teeming | occurring or existing in great quantities or numbers; swarming |
| barnacle | a sea-dwelling, hard-shelled creature that often attaches itself to ship bottoms and timber |
| furrow | a narrow groove-like or trench-like depression in any surface |
| impeding | causing delay, interruption, or difficulty |
| futile | incapable of producing any result; useless; not successful |
| torrent | a stream of water flowing with great rapidity and violence |
| tenaciously | holding fast; characterized by keeping a firm hold |
| respite | a delay or stopping for a time, especially of anything distressing or difficult; an interval of relief |
| perimeter | a rope marking a boundary or outer limits of an area or object |
| equilibrium | a state of rest or balance |
| imminent | likely to occur at any moment |
| preeminence | superiority to all others |
| droning | continuous, low, monotonous |
| placid | pleasantly calm or peaceful |
| mottled | marked with spots or blotches of different colors or shades |
