| A | B |
| circular | in the shape of a circle |
| compare | to judge one thing against another and notice similarities and differences |
| current | the movement of water in a river or an ocean, or of electricity through a wire |
| expands | increases in size |
| equator | an imaginary line around the middle of the earth, halfway between the North and South Poles |
| moderate | not extreme |
| observe | to watch someone or something carefully |
| prevailing | being common or usual |
| guilt | 1-the fact of having committed a crime or done something wrong; 2-a feeling of shame or remorse for having done something wrong or having failed to do something |
| navigate | to travel in a ship, an aircraft, or other vehicle using maps, compasses, the stars, etc., to guide you |
| calculation | something that has been worked out by using arithmetic |
| consideration | showing you care about other people's needs and feelings |
| influence | to have an effect on someone or something |
| commission | to put a ship into service |
| privileges | rights or advantages given to a person or a group of people |
| prerogative | an exclusive right or privilege held by a person or group |
| intention | a thing that you mean to do |
| triumph | a great victory, success, or achievement |
| majesty | greatness and dignity |
| cannibal | someone who eats human flesh |
| anxiety | a feeling of worry or guilt |
| anticipation | a feeling of expecting something to happen and being prepared for it |
| horizon | the line where the sky and the earth or sea seem to meet |
| dilemma | a position where you have to make a choice between two difficult alternatives |
| vessel | 1-a ship or large boat; 2-a tube in the body that fluids pass through; 3-a hollow container for holding liquids, such as a bowl, vase, or jar |
| incredible | unbelievable or amazing |
| apprehensive | worried and slightly afraid |
| satisfied | content, fulfilled |
| encouragement | praise or support given to someone |