单词	upper reaches
释义	upper reaches 上游河段
随便看	submerged-rotor pump submerged running astern submerged screw log submerged self-ascending ability submerged shoal submerged shoreline submerged slag pool welding submerged soils submerged speed submerged spillway submerged spiral classifier submerged spring submerged spur dike submerged stability submerged stage submerged steady bearing submerged step energy dissipation submerged storage tank submerged structure submerged stumps submerged submarine springs submerged switch submerged system submerged tank submerged teeth 一吐为快一吟一咏一吠百声一吹一唱一呵而就一呼再喏一呼百应一呼百诺一命之荣一命呜呼敝亲敝人敝友敝号敝国敝处敝姓敝寓敝屣敝帚千金