dīcháo / shí / jiāoshí / hé / bèiké / huì / suízhe / hǎishuǐ / tuìqù / zhújiàn / lù / chūlái低潮时,礁石和贝壳会随着海水退去逐渐露出来。At low tide, reefs and shells gradually emerge as the seawater recedes.