请把下面的汉语翻译成一句英文:
中国外交部发言人星期一在一份声明中坚决表示,中国对位于东中国海的这些岛屿拥有无可争议的主权。这些岛屿在中国被称为钓鱼岛,而日本称之为尖阁列岛。
参考答案:
In a statement Monday, a Chinese Foreign Ministry spokesman insisted China has "indisputable sovereignty" over the East China Sea islands, known as Diaoyu in China and Senkaku in Japan.