建设与保卫祖国是大学生应尽的义务。

It is also incumbent on them to defend the motherland.

他们为保卫祖国而战斗。

They fought to defend their homeland.

没有军队怎么保卫祖国？我要去上空手道课，学习如何保护自己。

How can we defend our homeland if we don't have an army? I'm going to karate lessons to learn how to defend myself.

轻骑兵为了保卫祖国而整装待发.

The light cavalry gets ready for a journey in order to defend our motherland.

战士们献身于保卫祖国。

The soldiers are devoted to defending their motherland.

他们为保卫祖国而战。

They fought the war in defence of their country.

他们为保卫祖国而战。

They fought in defence of their country.

他们拿起武器保卫祖国。

They took up arms in defence of their country.

他们决心为保卫祖国而战。

They decided to fight in defence of their country.

难道有谁不愿为保卫祖国而战吗？

Is there any man unwilling to fight in defense of his country?