领域

lǐng yù guǎng dà

领域广大。

The domain is vast.

què bǎo zǔ guó lǐng yù ān quán

确保祖国领域安全。

Please ensure security in the motherland.

wǒ guó de lǐng yù hé zhǔ quán bù róng qīn fàn

我国的领域和主权不容侵犯。

Our territory and sovereignty are inviolable.

kē xué lǐng yù li ào miào wú qióng

科学领域里奥妙无穷。

Science is full of mysteries.

tā de yán jiū chéng guǒ tián bǔ le zhè ge lǐng yù de kòng bái

他的研究成果填补了这个领域的空白。

His research has filled in the gaps in this field.

zhè ge gù shi de nèi róng shè jí dào gè gè lǐng yù

这个故事的内容涉及到各个领域。

The story covers a wide range of fields.