obvious
a. easy to see and understand; clear 明顯的

vet
n. 獸醫

encounter
vt. meet, esp. unexpectedly 遇到，遭遇

reveal
vt. make (sth.) known 展示；揭露

convince
vt. make (sb.) feel sure by the use of argument or evidence 使確信，使信服

feat▲
n. 技藝；業績，功績

captivity
n. 被俘；監禁；束縛

dominant
a. ruling; most important or strongest 統治的；占優勢的

species
n. （單復同）物種

make a deal
reach an agreement or arrangement, esp. in business or politics 達成交易

conservationist
n. 自然資源保護論者

female
a. 雌的；女（性）的
n. 雌性的動物或植物；女人

gorilla
n. 大猩猩

suspicious▲
a. causing or showing a feeling that sth. is wrong 可疑的；猜疑的

peanut▲
n. 花生

blank
a. without expression; without writing, or other marks 沒有表情的；空白

negotiate
vi. discuss in order to come to an agreement 談判，協商

stake
n. (usu.pl) 獎品；獎金；賭注

pineapple
n. 鳳梨，菠蘿

maintain
vt. continue to do or have (sth.) 保持；繼續

relieve
vt. free (sb.) from pain, anxiety, etc.; ease (pain, anxiety, etc.) 使減輕痛苦或焦慮等；減輕（痛苦或焦慮等）

link
n. 鏈環；環節；聯系
v. join or connect 聯系，連接

orangutan
n. 猩猩

undertake
vt. (undertook, undertaken) carry out; take upon oneself (a task, etc.) 從事；承擔（任務等）

anthropologist
n. 人類學者

figure out
understand; reason out 理解；推斷出

extend
v. (cause to) stretch or reach; make larger or longer 延伸，伸展；擴大；加長

dealing
n. (usu.pl) business relations 交易，買賣

plastic
a. 塑料的

chip
n. 薄片；碎片；集成電路片

expand
v. (cause to) grow larger 擴大，擴展

switch
v. change; shift 轉換，變換

foil▲
n. 金屬薄片，箔

virtuous
a. showing moral goodness 有道德的；善良的

envy
vt., n. 妒忌；羨慕

grape
n. 葡萄

promptly
ad. immediately 立即地

stem
n. 莖，（樹）干，（葉）梗

whale
n. 鯨

cooperate
vi. act or work together 合作，協作

behaviorist
n. 行為主義者

in sb.'s interest(s)
to sb.'s advantage 為了某人的利益

go far
help very much; achieve much success 幫助很大；很有成效

consultant
n. 顧問

behavior
n. the way one acts or behaves 舉止，行為

assess
vt. judge the quality, importance or worth of 評估，估量

judgment
n. 判斷；意見，看法

mate
n. 配偶；伙伴，同事

thrive
vi. grow strong and healthy; develop well 茁壯成長；興旺

at first
at the beginning 起先

stretcher
n. 擔架

emergency
n. an unexpected and dangerous happening which must be dealt with at once 緊急情況；突然事件

go wrong
stop developing well 有毛病，出故障

halt
v. (cause to) stop 停住，停止

throw up
(infml) vomit 嘔吐

apparently
ad. it is clear (that) 明顯地

size up
carefully examine (a situation or person) in order to make a judgement 估量，判斷

release
vt. set free 釋放

slide
v. (cause to) move smoothly along a surface （使）滑動

primate
n. 靈長目動物

evidence
n. sth. that gives a reason for believing sth.; trace 證據；跡象

deceive
v. try to make(sb.) believe sth. that is false 欺騙

inaccessible
a. very difficult or impossible to reach 達不到的；難得到的

original
a. first or earliest 最初的；原始的

colony
n. （生長在同一地方的動物或植物）群，群體；殖民地

male
n. 雄性動物或植物；男子
a. 雄的；男（性）的

gaze
n., v. 凝視，注視

give in
讓步；屈服；投降

underneath
prep., ad. under or below 在…下面，在…底下

pea-brained
a. 笨的

turtle
n. （海）龜

survive
v. remain alive in spite of; continue to live or exist after 幸免于；繼續存在，幸存

survival n.

disaster
n. an event causing great suffering and damage 災難

wipe out
get rid of or destroy 消滅，消除

dinosaur
n. 恐龍

horizon
n. 眼界，見識；地平線

Proper Names

Ugene Linden
尤金·林登

Charlene Jendry
查倫·延德里

Columbus Zoo
哥倫布動物園

Colo
科洛（文中指動物名）

Chantek
夏特克（文中指動物名）

Lyn Miles
琳·邁爾斯

University of Tennessee
田納西大學

Zoo Atlanta
亞特蘭大動物園

Gail Laule
蓋爾·勞爾

Orky
奧基（文中指動物名）

Corky
科基（文中指動物名）

Helen Shewman
海倫·休曼

Seattle
西雅圖（美國華盛頓州西部港市）

Woodland Park Zoo
伍德蘭公園動物園

Melati
梅拉蒂（文中指動物名）

Towan
托溫（文中指動物名）