常见例句The British protectorate of Bechuanaland declares its independence, and becomes the Republic of Botswana. Seretse Khama takes office as the first President. 1966年的今天，美国的摄政国贝专纳宣布独立，并成为博茨瓦纳共和国，瑟瑞特兹·哈马成为首任总统。 返回 Seretse