If you feel intense pain in your chest, exhale and return to the surface immediately.

如果你觉得你的胸口剧痛，立即呼出气回到表面。

youdao

If you feel intense pain in your chest, exhale and return to the surface immediately.

如果你觉得你的胸口剧痛，立即呼出气回到表面。

youdao