Police used tear gas to disperse the demonstrators.

警察动用了催泪瓦斯来驱散示威人群。

《柯林斯英汉双解大词典》

For decades, MayDay parades in Moscow have taken place under clear blue skies, aircraft having deposited dry ice, silver iodide and cement powder to disperse clouds.

几十年来，莫斯科的五月节游行都是在晴朗的蓝天下举行的，他们飞机上撒下干冰、碘化银和水泥粉来驱散云层。

youdao

The fog began to disperse.

雾开始散了。

《牛津词典》

Police responded by using tear gas, water cannons, baton charges and rubber bullets to disperse the crowd.

VOA: standard.2009.09.01

If you take cells from my skin and disperse them and we'll talk about ways to do that next time, and you try to maintain them in a beaker.

如果从我的皮肤上取出些细胞,并消化它们,具体做法下节课讲,并把它们培养在烧杯里

耶鲁公开课 - 生物医学工程探索课程节选

Sometimes simply flying overhead is enough to make the enemy disperse and allow the engagement to end.

VOA: standard.2009.09.12

As the crowd began to disperse, my husband and I remained seated, absorbing what we had just witnessed.

BBC: India��s beautiful border ritual

"Riot and mounted police arrived to disperse the fans but they were outnumbered, " he said.

BBC: London football violence probed

Security forces have frequently responded by firing tear gas to disperse the protesters or arresting them.

BBC: Kuwait MPs pass law to naturalise 4,000 stateless Bidun