| A | B |
|---|
| pack ice | large pieces of floating ice formed from smaller pieces frozen together |
| Southern Hemisphere | the half of Earth that is below the equator |
| treacherous | dangerous |
| blubber | the layer of fat beneath the skin of a sea animal |
| polar night | a season of darkness or near darkness |
| floes | large, flat pieces of floating ice |
| relentlessly | without stopping; continuously |
| seaworthy | in good enough shape to be used on the sea |
| boils | swollen sores; blisters |
| roiled | churned; stirred up |
| alternative | other choice |
| gale | a very strong wind |
| bailed | removed water from a boat |
| disheveled | messy; untidy |
| underestimated | thought too little of |
| miraculous | amazing |
