2 sentences

1. 苏武在北海牧羊的故事广为人知。

   Sū Wǔ zài Běi Hǎi mù​yáng de gù​shi guǎng​wéi rén zhī.

   The story of Su Wu herding sheep at the North Sea is well known.

   Source: Dong Chinese Dictionary

2. 这艘货轮在穿过北海时，遭遇了非常严重的风暴。

   zhè sōu huò​lún zài chuān​guò Běi Hǎi shí, zāo​yù le fēi​cháng yán​zhòng de fēng​bào.

   This cargo ship encountered a very severe storm while crossing the North Sea.

   Source: Dong Chinese Dictionary