水

chlorinated water

confined groundwater; artesian groundwater

Kaplan turbine

green hydrogen

Chemistry

mercury(I) chloride; calomel; mercurous chloride

Chemistry

mercury(II) chloride; corrosive sublimate

Chemistry

hydrocyanic acid; prussic acid; hydrogen cyanide

deionized water; DI water

Proverb

kindness begets kindness; you scratch my back and I'll scratch yours; if a fish is kind to the water, the water will be kind to the fish

mirugai clam (Tresus keenae, species of gaper clam)

dark yellowish green (similar to olive green)

brown tinged with olive green

Proverb

a teetotaler doesn't know (how tasty) water is when waking up after having been drunk

absorbent sheet (used in meat packs, sushi boxes, etc.)

Harushio class submarine

ruddy-breasted crake (Porzana fusca)

mirugai clam (Tresus keenae, species of gaper clam)

Idiomatic expression

wasting one's efforts; rendering one's efforts futile

glacial lake outburst flood

sea wasp (Chironex fleckeri)

Proverb

better starve than fatten on ill-gotten wealth; don't lower yourself to unjust acts, no matter how desperate you are; refraining to drink from a spring called Robber's Spring even if thirsty

multilevel diving

naphthenic hydrocarbon

Oscillatoria (cyanobacteria)