Workers at Sydney's harbourside Taronga zoo are refusing to collect animal dung in a protest over wages.

悉尼海港塔龙加动物园的工人因对工资的抗议而拒绝收拾动物粪便。

《柯林斯英汉双解大词典》

Medical historians say the death of Clara Maass also created a public protest over the use of humans in yellow fever research.

VOA: special.2010.05.18

On Thursday,a close aide to British Defense Secretary Bob Ainsworth resigned in protest over the war.

VOA: standard.2009.09.04

The political gridlock is drawing concern that the protest over the restoration of senior judges could further weaken a government already struggling to deal with the country's faltering economy and a strengthening Taliban insurgency.

VOA: standard.2009.03.15

Extremists are being warned to stay away from a protest over immigration in Lincolnshire.

BBC: Boston immigration protest prompts warning

There was trouble in the town on Monday during a protest over union flags.

BBC: Carrickfergus Town Hall

Prosecutors say they opened fire, killing six demonstrators who had blocked a motorway during a protest over electricity prices in Totonicapan, west of the capital.

BBC: Latin America & Caribbean