A city of west-central California on an island in San Francisco Bay near Oakland. It is the site of a naval air base. Population,76,459.是什么意思_A city of west-central California on an island in San Francisco Bay near Oakland. It is the site of a naval air base. Population,76,459.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句