There are no traditional Chinese characters for "海".

Pinyin: ?hǎi

Interpretation:

1. Close to the mainland, water smaller than the ocean: ~ ocean. ~ domain. ~ Pull out. ~Xinjiang. ~ Inside. ~ Shore. ~ Pledge of Allegiance. All around.

2. Used in lake names: Qing~. Zhongnan~.

Word group:

①North Sea běi hǎi

A shallow sea in the northeastern Atlantic Ocean, located between the northeastern part of the European continent and the British Isles.

②Sea water hǎi shuǐ

Water in or from the sea.

③Seaside hǎi biān

The edge of the sea.

④Kelp hǎi dài

A kind of ribbon-shaped iodine-containing brown algae that grows on rocks on the seabed. It has edible, iodine production and medicinal value. In traditional Chinese medicine, it is called kelp.

⑤Customs hǎi guān

The place where customs duties are paid and cargo ships are declared and cleared.