示威者的英文：
demonstrator
protester

参考例句：

Violent criminals,demonstrators, activists,etc
使用暴力的罪犯、示威者、激进分子等

A horde of demonstrators
一群示威者

The demonstrators scuffled with the police.
示威者与警方人员混战。

The demonstrators were bound over to keep the peace.
示威者一定要遵纪守法。

Order out the riot police to suppress the demonstrators
出动防暴警察镇压示威者

Demonstrators marched through the street.
示威者的队伍穿过了街道。

The government decided to react against the protesters.
政府决心对抗那些示威者。

The demonstrators brpke through the cordon of the police.
示威者冲破了警察的警戒线。

The demonstrators poured into the hotel, heading for the ballroom
示威者涌进饭店，直奔舞厅。

The demonstrator turned over a police car.
示威者推翻了一辆警车。

demonstrator是什么意思：
n. 示威者；论证者，示范者

This is a cookery demonstration.
这是次烹饪示范。

Counterdemonstration:a demonstration held in opposition to another demonstration.
反示威:与另一个示威相对立.

Demonstrators marched through the street.
示威者的队伍穿过了街道。

It is demonstrably an unfair comparison.
这样打比方显然不公平。

The demonstration erupted into violence.
示威游行中突然出现了武斗。

protester是什么意思：
n. 抗议者，反对者

a note of protest
抗议照会

They rioted in protest against the government.
他们发动暴乱，以抗议政府的行为。

At the meeting they vigorously protested such brutality.
他们在会上强烈抗议这种野蛮行为。

Why is the Protestant canon like it is?
为什么新教正典会是现在这样？

That was the New England Protestant way.
那是新英格兰新教徒的方式。