英语听力精选进阶版 13686

Do women have unlimited¹ human eggs?

 Vocabulary

long-held theory

set of ideas that have been accepted for a long time

shattered

destroyed or changed

stem cells

tiny biological structures which can multiply and be used to create specialised tissue for human organs

to fish them out

to remove from

spontaneously

naturally without force

ethical

moral

fertilised

(eggs) joined with sperm in order to start the process of reproduction

findings

information discovered as a result of research

unprecedented

never before happened

to overcome

to solve a problem that has prevented you from achieving something

1 unlimited   

adj.无限的，不受控制的，无条件的

参考例句：

• They flew over the unlimited reaches of the Arctic.他们飞过了茫茫无边的北极上空。
• There is no safety in unlimited technological hubris.在技术方面自以为是会很危险。