limb = arm or leg

working on = result in

underlying = base on

not the only （不是唯一） = other than

promptly = immediately 立即地

entirly 完全；彻底；完整地 = exclusively 仅仅；专门；单独

available source of food = prey

reduction = loss

and = along with

were born = breed

suggest = proposal

rehome ... on island = placed on a small island

captive 圈养 = captured

a piece of legislation 立法 = a motion 议，动议

protecting the species = protecting thylacines

attempts to find = expeditions and searches

environmental advantages = ecological benefit

widespread global use = the most consumed…in the world

(1) Look at

She looks at the boy earnestly.

(2) Listen to

He listens to the waves on the beach.

I listened carefully to his story.

(3) Think about 想起

I often think about my friends.

They think hard about their plans.

(4) Talk about 说起

Farmers talk about the big freeze.

(5) Look for 寻找

We look for an agent in the Middle East.

(6) Look after 照顾

She looks after children in the kindergarden.

(7) Agree with

I agree with her analysis of the situation.

(8) Deal with 处理，解决

Our New York branch deals with the matter.

(9) Worry about

He always worried about his weight.

(10) Laugh at 嘲笑

Everybody laugh at my accent.

I watch TV