2 sentences

1. 大雪阻断了通往山区的公路。

   dà​xuě zǔ​duàn le tōng​wǎng shān​qū de gōng​lù.

   Heavy snow cut off the road to the mountains.

   Source: Dong Chinese Dictionary

2. 这种药物能够有效阻断病毒的复制。

   zhè zhǒng yào​wù néng​gòu yǒu​xiào zǔ​duàn bìng​dú de fù​zhì.

   This drug can effectively block the replication of the virus.

   Source: Dong Chinese Dictionary