声援的英文：
support (a cause)

参考例句：

A friendly nation comes to the relief
与国声援

The steel workers came out in sympathy with the miners,ie went on strike to show support for them.
钢铁工人为声援矿工举行了罢工.

The steel workers came out in sympathy with the miners, ie went on strike to show support for them.
钢铁工人为声援矿工举行了罢工。

support是什么意思：
v. 支撑；鼓励；赞成；支援；供养；证实
n. 支撑；帮助；拥护；支援

support an actor
作为一个演员的配角

singular support
奇异支集

a backer; a supporter
支援者

The support for the tent is rigid.
帐篷的支柱很坚固。

a member (or supporter) of the house of Hanover.
汉诺威家族的成员或支持者。