英语听力精选进阶版 14197（在线收听）

Goal-line technology

Vocabulary

goal-line technology

equipment used to tell when a goal is scored

to act as a guinea pig

to be used as an experiment or trial

installed

put in place

intensified

here: became more angry and urgent

denied

not allowed

legitimate

here: allowed (according to the rules)

on the same page

in agreement

gross injustices

examples of unfair treatment (when goals have been disallowed)

the tip of the iceberg

a small part of a bigger problem or issue

undermine

weaken

emphatically endorsed

officially and definitely supported