An arm of the Arabian Sea, to which it is connected by the Strait of Hormuz and the Gulf of Oman. It extends north-westwards between the Arabian peninsula and the coast of south-western Iran.
波斯湾（阿拉伯海的一个狭长海湾，通过霍尔木兹海峡和阿曼湾与阿拉伯海相连，在阿拉伯半岛和伊朗西南海岸间向西北延伸；亦称ARABIAN GULF；非正式名THE G ULF）
Also called Arabian Gulf and informally "the Gulf"
Definition of Persian Gulf in US English:
Persian Gulf
proper nounˌpərZHən ˈɡəlf
An arm of the Arabian Sea, to which it is connected by the Strait of Hormuz and the Gulf of Oman. It extends northwestward between the Arabian peninsula and the coast of southwestern Iran.
波斯湾（阿拉伯海的一个狭长海湾，通过霍尔木兹海峡和阿曼湾与阿拉伯海相连，在阿拉伯半岛和伊朗西南海岸间向西北延伸；亦称ARABIAN GULF；非正式名THE G ULF）