暗礁险滩àn jiāo xiǎn tān

hidden reefs and dangerous shoals (/shallows)
❍ 行船时必须提防～。When sailing the seas,one must beware of hidden reefs and dangerous shoals.

• refluent
• reflux
• refocus
• reforest
• reform
• reform acts
• reformation
• reformation，catholic
• reform bills
• reform judaism
• refract
• refraction
• refractory
• refrain
• reframe
• refresh
• refrigerate
• refrigeration
• reft
• refuel
• refuge
• refugee
• refulgence
• refund
• refurbish