yù / dào / jǐn / jí / qíng / kuàng / shí / chuán / yuán / yòng / xìn / hào / qiāng / xiàng / àn / shàng / fā / chū / qiú / jiù / xìn / hào

遇到紧急情况时，船员用信号枪向岸上发出求救信号。

In an emergency, the crew used a flare pistol to send a distress signal to the shore.