Last Tuesday in a mountainous area, there were a total of 173 sheep. The sheep were killed almost immediately when lightning struck.

1. （1） Last Tuesday in a mountainous area, there were a total of 173 sheep when lightning struck. (定语从句)
3. （2） Last Tuesday in a mountainous area, there were a total of 173 sheep when lightning struck. (分词)

He tries hard, but he never seems able to do the work satisfactorily.

1. （1） , he never seems able to do the work satisfactorily. (although)
3. （2） , he never seems able to do the work satisfactorily. (as)
5. （3） , he never seems able to do the work satisfactorily. (despite)

中华民族除了汉族外，还包括五十多个少数民族。

1. （1） The Chinese nation includes more than 50 national minorities the Hans. (addition)
3. （2） The Chinese nation includes more than 50 national minorities the Hans. (well)

如果天气允许，明天我们出去野餐。

1. （1） , we'll go for a picnic tomorrow. (if引导的条件状语从句)
3. （2） , we'll go for a picnic tomorrow. (独立主格结构)

随着时间的推移，我们确信一切都会好起来的。

1. （1） We are sure that everything will be better . (with的复合结构)
3. （2） We are sure that everything will be better . (as引导的时间状语从句)

虽然每年相聚的人越来越少，但他们的英勇壮举将会让我们永远铭记他们，以及那些在法国北部海滩上阵亡的士兵。

Although each year they are fewer in number, their outstanding acts of courage mean that we will always remember them— those who lost their lives on the beaches of northern France.

第七个冲出来的士兵是第二个穿过海滩没有被击中的。

The seventh man was the next one without being hit.

船被击翻，一些人落水而亡，而那些成功登陆的人面对的则是机关枪的猛烈扫射。

Boats were hit and men drowned, those who did make it to the beach faced heavy machine gunfire.

盟军士兵耳中回荡着这些话语，做好了登陆诺曼底的准备。

in their ears, Allied soldiers prepared for what would become known as D-Day.

这次作战行动的代号为“霸王行动”，它是历史上规模最大的海、陆、空三方力量集结的行动，目的是解放德国占领的欧洲西北部地区。

Code-named "Operation Overlord", it was the largest combined sea, air and land operation in history, north-west Europe from German occupation.