疑位或疑存的浅滩或暗礁的英文

vigia

• 疑:    doubt; disbelieve; ...
• 位:    place; location
• 或:    nǎi-.
• 疑存:    existence doubtful
• 的:    4次方是 The fourth po ...
• 浅滩:    shoal; shoal patch ...
• 暗礁:    reef; submerged re ...