| A | B |
|---|
| estuary | arm of the sea that extends inland to meet the mouth of a river |
| rubble | loose mass of rocks |
| bulwark | wall raised as a defensive fortification |
| unsubstantial | lacking materialsubstance or strength |
| mirage | optical illusion of distant objects,often water |
| undulating | moving in a smooth, wavelike motion |
| obsucred | not easily noticed or seen |
| perceptible | capable of being perceived by the senses or the mind |
| tactful | able to speak or act without offending |
| speculatively | considering a subject thoughtfully |
| illusions | erroneous perceptions of fidelity |
| deftly | quickly and skillfuly |
| subsided | become less active |
| incandescence | high degree of brilliance |
| instinctivlely | acting on an inborn pattern |
| poultice | a moist mass aplied to stimulate an imflamed part of the body |
