海洋: seas and oceans; ocean; blue上: upper; up; upward的: 4次方是 The fourth power of 2 i ...无风带: calm belt; calm zone情绪: mood; sentiments; morale; fe ...低沉: overcast; lowering赤道无风带;情绪低落: doldrums情绪低沉: in a blue mood情绪低沉然后自杀: boom a letter oops another suicide海洋上的: deepwater海洋上的风险: the perils of the ocean无风带: calm belt; calm zone◇无风带赤道槽 doldrum equatorial trough赤道无风带: belt of equatorial calm; doldrums belt; equatorial calm zone; equatorial calm(equatorial calm belt); equatorial calms; equatorial doldrum马纬度,无风带: horse latitude热带无风带: tropical calm zone在无风带: in the doldrums中心无风带: central calm沮丧,情绪低落: down in the mouth情绪低落: be down in spirits; dejection; depression; down at the mouth; down in the mouth; feel down in the dumps; hip; low spirit情绪低落的: depressed-low in spirits dejected; down-hearted我情绪低落: im blue副热带无风带: horse latitudes; subtropical calm副絷带无风带: horse latitudes回归线无风带: horse latitude无风带赤道槽: doldrum equatorial trough