6 sentences

1. 他在机场办理了入境手续。

   tā zài jī​chǎng bàn​lǐ le rù​jìng shǒu​xù.

   He went through immigration procedures at the airport.

   Source: Dong Chinese Dictionary

2. 护照持有人必须在有效期内入境。

   hù​zhào chí​yǒu​rén bì​xū zài yǒu​xiào​qī nèi rù​jìng.

   The passport holder must enter the country within its validity period.

   Source: Dong Chinese Dictionary

3. 这些非法入境者将被遣返回原籍地。

   zhè​xiē fēi​fǎ rù​jìng zhě jiāng bèi qiǎn​fǎn huí yuán​jí​dì.

   These illegal immigrants will be repatriated to their places of origin.

   Source: Dong Chinese Dictionary

4. 所有入境旅客都必须接受核酸检测。

   suǒ​yǒu rù​jìng lǚ​kè dōu bì​xū jiē​shòu hé​suān jiǎn​cè.

   All incoming travelers must undergo nucleic acid testing.

   Source: Dong Chinese Dictionary

5. 入境时，你有什么需要向海关申报的吗？

   rù​jìng shí, nǐ yǒu shén​me xū​yào xiàng hǎi​guān shēn​bào de ma?

   Do you have anything to declare to customs upon entry?

   Source: Dong Chinese Dictionary

6. 非法入境的人员被暂时安置在收容所中等待遣返。

   fēi​fǎ rù​jìng de rén​yuán bèi zàn​shí ān​zhì zài shōu​róng​suǒ zhōng děng​dài qiǎn​fǎn.

   Illegal immigrants are temporarily placed in detention centers while awaiting deportation.

   Source: Dong Chinese Dictionary