1、protect
保護(hù)；防護(hù)
So, what can women do to protect themselves from heart disease?
那么，女性怎樣做才能使自己不得心臟病呢？
A long thin wool coat and a purple headscarf protected her against the wind.
一件薄薄的羊毛長外套和一條紫色的頭巾為她擋了風(fēng)。
（保險(xiǎn)單）為…提供保險(xiǎn)
Many manufacturers have policies to protect themselves against blackmailers.
許多廠家都購買了保險(xiǎn)，以防遭到敲詐。
2、extinction
（物種的）滅絕
An operation is beginning to try to save a species of crocodile from extinction.
一項(xiàng)努力拯救一個(gè)鱷魚物種、使其免于滅絕的行動(dòng)已經(jīng)開始。
Many species have been shot to the verge of extinction.
很多物種已經(jīng)被獵殺到滅絕的邊緣。
消亡;消滅;不復(fù)存在
The loggers say their jobs are faced with extinction because of declining timber sales.
伐木工人說由于木材銷量下降，他們的工作恐不復(fù)存在。
3、vulnerable
脆弱的;易受傷害的
Old people are particularly vulnerable members of our society.
老年人是社會(huì)中尤為明顯的弱勢群體。
易感染（某種疾病）的；易患病的
People with high blood pressure are especially vulnerable to diabetes.
有高血壓的人尤其易患糖尿病。
Plants that are growing vigorously are less likely to be vulnerable to disease.
生命力強(qiáng)的植物不容易得病。
易受傷害的;易受影響的
Their tanks would be vulnerable to attack from the air.
他們的坦克易受到空襲。
a table showing which cars are most vulnerable to theft.
易被盜車輛一覽表