Meanings

gold-inlaid lacquerware

bridge designed to be underwater during a flood

calm, cool, and collected

taciturn

calm, cool, and collected

underwater tunnel construction by sinking prefabricated box culverts

to sink (into)

there are exceptions to every rule

speech is silver, silence is golden

sedimentary rock

Deep Submergence Systems Project

wreck diving

wreck buoy

deposition rate

weight (of a fishing net)

to break the silence

unsinkable

sinking

submergent coastline

floating up and sinking down