🔊 原版音檔暫缺 — 可先聽瀏覽器朗讀
Brazil hasn't seen protests on this scale for over 20 years.
Police in riot gear stood behind barriers to protect state buildings in Rio, where over 100,000 people joined the march.
Demonstrators marched through the streets of Brazil's biggest cities, to protest about the rising costs of public transport and the expense of staging the 2014 World Cup.
on this scale 如此大規模的
riot gear 防暴裝備
barriers 障礙
rising costs 上漲的費用
staging 舉行