/ˈsɛmiˌɛnˌkloʊzd siː/ – Phrase
Definition: vùng biển nửa đóng, vùng biển hạn chế vào.
A more thorough explanation: A semi-enclosed sea is a body of water that is partially enclosed by land, with a narrow opening to the open ocean. This term is often used in international law and maritime boundaries to describe bodies of water that are not fully enclosed by land but have limited access to the open sea.
Example: The Mediterranean Sea is an example of a semi-enclosed sea.