rú / guǒ / hū / xī / tiáo / jié / qì / chū / xiàn / wèn / tí / yào / lì / jí / fú / chū / shuǐ / miàn

如果呼吸调节器出现问题，要立即浮出水面。

If the regulator malfunctions, you should surface immediately.