Bǐjīní / huánjiāo / céng / shì / Měiguó / jìnxíng / hé / shìyàn / de / dìdiǎn / rújīn / yǐ / chéngwéi / zhòngyào / de / lìshǐ / yízhǐ比基尼环礁曾是美国进行核试验的地点,如今已成为重要的历史遗址。Bikini Atoll was once a site of U.S. nuclear tests and is now an important historical site.