The Japanese coined the word tsunamito mean“harbor wave.”(“tsu”meansharbor,and the character“nami”meanswave).In the wake of the Japanese tragedy,remember these tsunami survival tips:1.A good warning sign of an approachingtsunami is“drawback”.when the oceanrecedes drastically or the water level fallsunusually along the shoreline.退潮是海啸的一个预警信号 The Japanese coined the word tsunamito mean “harbor wave. ” ( “Tsu ” meansharbor, and the character “nami ” meanswave) .In the wake of the Japanese tragedy, remember these tsunami survival tips: 1.A when the oceanrecedes drastically or the water level fallsunusually along the shoreline. ebb tide is an early warning signal of tsunami