Two jet fighters were downed.是什么意思？

Two jet fighters were downed.

两架喷气式战斗机被击落。

two

n. 两个，两个东西，两点钟，一对；adj. 两个的，我

例句
He has been absent from his desk for two weeks...
他已经有两个星期没有坐在办公桌前了。

jet

n. 喷嘴，喷雾，喷气式飞机，喷射流，煤玉；vi. 乘喷气式飞机，射出；adj. 黑玉制的或黑玉似的，象炭一般黑的；vt. 喷射，喷出；

例句
...a black velvet bodice with jet black beading.
黑色丝绒紧身连衣裙上身镶饰着深黑色串珠

fighters

n. 战士（ fighter的名词复数 ），战斗机，打斗者，奋斗者；

例句
We have been preparing our fighters to adjust themselves to civil society...
我们一直在培训我们的战士，以使他们适应普通的社会生活。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

downed

v. 放下( down的过去式和过去分词 )，（尤指大口或快速地）喝下，使摔倒，击落（敌机等）；

例句
She downed two glasses of white wine while I dawdled over a draught beer.
我慢悠悠地呷着一杯散装啤酒的工夫她已经灌下了两杯白葡萄酒。