地中海贫血 地中海貧血 dì zhōng hǎi pín xuè thalassemia (medicine)
Bay of Biscay (Spanish: Mare Cantabrico)
Strait of Messina between Calabria and Sicily
Ionian Sea between Italy and Greece
斑脸海番鸭 斑臉海番鴨 bān liǎn hǎi fān yā (bird species of China) Stejneger's scoter (Melanitta stejnegeri)
1. Sven Hedin (1865-1952), famous Swedish adventurer and archaeologist, whose 1894-1900 Central Asian expeditions uncovered Kroraina or Loulan 楼兰[lóu lán]2. also written 斯文·赫定
新海峡时报 新海峽時報 xīn hǎi xiá shí bào New Strait Times (newspaper)
海上花列传 海上花列傳 hǎi shàng huā liè zhuàn "The Sing-Song Girls of Shanghai", a novel by Han Bangqing 韩邦庆[hán bāng qìng] depicting the lives of Shanghai courtesans in the late Qing dynasty
(bird species of China) Hainan peacock-pheasant (Polyplectron katsumatae)
海南山鹧鸪 海南山鷓鴣 hǎi nán shān zhè gū (bird species of China) Hainan partridge (Arborophila ardens)
海南蓝仙鹟 海南藍仙鶲 hǎi nán lán xiān wēng (bird species of China) Hainan blue flycatcher (Cyornis hainanus)
海岸警卫队 海岸警衛隊 hǎi àn jǐng wèi duì coastguard
海底扩张说 海底擴張說 hǎi dǐ kuò zhāng shuō theory of seafloor spreading (geology)
海洋性贫血 海洋性貧血 hǎi yáng xìng pín xuè thalassemia
海淀图书城 海淀圖書城 hǎi diàn tú shū chéng Haidian Book City, Beijing bookstore
海相沉积物 海相沉積物 hǎi xiāng chén jī wù oceanic sediment (geology)
naval and air military base
(US Navy) SEAL commando unit
滨海边疆区 濱海邊疆區 bīn hǎi biān jiāng qū Primorsky Krai (Russian territory whose administrative center is Vladivostok 符拉迪沃斯托克)
Tyrrhenian Sea between Sardinia and the Italian mainland
临海水土志 臨海水土誌 lín hǎi shuǐ tǔ zhì Seaboard Geographic Gazetteer (c. 275) by Shen Ying 沈莹
长嘴斑海雀 長嘴斑海雀 cháng zuǐ bān hǎi què (bird species of China) long-billed murrelet (Brachyramphus perdix)
陆海空三军 陸海空三軍 lù hǎi kōng sān jūn army, navy, and air force
(bird species of China) Swinhoe's storm petrel (Hydrobates monorhis)
上海合作组织 上海合作組織 shàng hǎi hé zuò zǔ zhī Shanghai Cooperation Organization (SCO)
世界海关组织 世界海關組織 shì jiè hǎi guān zǔ zhī World Customs Organization
奥特朗托海峡 奧特朗托海峽 ào tè lǎng tuō hǎi xiá Strait of Otranto between the heel of Italy and Albania
广东海洋大学 廣東海洋大學 guǎng dōng hǎi yáng dà xué Guangdong Ocean University
(bird species of China) Matsudaira's storm petrel (Hydrobates matsudairae)
东太平洋海隆 東太平洋海隆 dōng tài píng yáng hǎi lóng East Pacific Rise (a mid-oceanic ridge stretching from California to Antarctica)
海洋温差发电 海洋溫差發電 hǎi yáng wēn chā fā diàn ocean thermal energy conversion (OTEC)
烟黑叉尾海燕 煙黑叉尾海燕 yān hēi chā wěi hǎi yàn (bird species of China) Wilson's storm petrel (Oceanites oceanicus)
牛海绵状脑病 牛海綿狀腦病 niú hǎi mián zhuàng nǎo bìng 1. bovine spongiform encephalopathy, BSE2. mad cow disease
环渤海湾地区 環渤海灣地區 huán bó hǎi wān dì qū Bohai Economic Rim (economic region including Beijing, Tianjin, Hebei, Liaoning and Shandong)
(bird species of China) Leach's storm petrel (Hydrobates leucorhous)
(bird species of China) Tristram's storm petrel (Hydrobates tristrami)
达达尼尔海峡 達達尼爾海峽 dá dá ní ěr hǎi xiá 1. Dardanelles Strait2. Turkish: Çanakkale Boğazı
阿尔茨海默病 阿爾茨海默病 ā ěr cí hǎi mò bìng Alzheimer's disease
阿尔茨海默症 阿爾茨海默症 ā ěr cí hǎi mò zhèng Alzheimer's disease
马里亚纳海沟 馬里亞納海溝 mǎ lǐ yà nà hǎi gōu Mariana Trench
上刀山，下火海 shàng dāo shān , xià huǒ hǎi 1. lit. to climb mountains of swords and enter seas of flames (idiom)2. fig. to go through trials and tribulations (often, for a noble cause)
上海外国语大学 上海外國語大學 shàng hǎi wài guó yǔ dà xué Shanghai International Studies University (SISU)
加拿大皇家海军 加拿大皇家海軍 jiā ná dà huáng jiā hǎi jūn Royal Canadian Navy