plus
prep.1. increased by 加，加上
2. in addition to 外加；另有

photographer
n. a person who takes photographs esp. as a professional or as an artist 摄影师

sled
n. 雪橇

explorer
n. sb. who travels for the purpose of discovery 探险者

trek
n. a long and hard journey 长途跋涉

head
vi. move or go toward 朝…行进

whale
vi. engage in the activity of hunting whales 捕鲸

Norwegian
挪威人

whaler
n. 捕鲸人

zigzag
vi. move forward by going at an angle first to the right and then to the left 曲折行进

iceberg
n. 冰山，浮在海洋上的巨大冰块

almond
n. 杏仁

bar
n. 条；块

boredom
n. the state of being bored 厌倦

drift
vi. be carried along or driven by wind, waves or currents 飘；飘流

entertain
vt. keep interested or amused 给…娱乐；使快乐

doghouse
n. 狗窝

* porch
n. 门廊

* dome
n. 圆屋顶；穹顶

meanwhile
ad. in the intervening period of time; at the same time 在间隔时间里；（与此）同时

brave
vt. face or risk facing (danger, pain, or trouble) without showing fear 勇敢地面对

indoors
ad. inside a building 在室内

shot
n. a photograph 照相，快照；拍摄

crush
vt. press so as to break or destroy 压碎，压坏

sickening
a. very unpleasant, disgusting 令人厌恶的

* sensation
n. a general feeling caused by a particular experience 感觉，知觉

grab
vt. take or pick up suddenly and roughly 抓取，攫取

precious
a. of great value or worth 贵重的；珍贵的

heroic
a. brave and courageous 英雄的；英勇的

rescue
n. a successful attempt to save sb. or sth. from a difficult or dangerous situation 营救，救援
vt. save; set free 营救，救出

lifeboat
n. 救生艇

drag
vt. pull along with effort or difficulty （用力地或慢慢地）拖，拉

frigid
a. very cold, icy 寒冷的

shiver
v. shake slightly, esp. because of cold or fear 颤抖，哆嗦

crawl
vi. move slowly on hands and knees 爬，爬行

slush
n. partly melted snow 半融化的雪；雪泥

avoid
vt. keep away or to prevent from happening 避免；防尘

killer whale
n. 逆戟鲸

* penguin
n. 企鹅

seal
n. 海豹

blubber
n. 鲸脂，海兽脂

eventually
a. in the end; at last, finally 终于，最终

desert
vt. abandon, leave; go away from (a place) without intending ever to return 抛弃；遗弃；离弃（某地方）

deserted
a. with no one present; abandoned 无人的；被离弃的；被遗弃的

severe
a. serious; extreme 严重的；剧烈的