invader

1. N-COUNT Invaders are soldiers who are invading a country. 侵略者

The city was destroyed by foreign invaders. 这座城市被外国侵略者毁坏了。

2. N-COUNT You can refer to a country or army that has invaded or is about to invade another country as an invader. 侵略国; 侵略军

...action against a foreign invader. …反对外国侵略者的行动。