上游: the upper reaches a surname池: pool; pond底板: baseboard; baseplate; footwa ...上游池: head bay; head pond污洗池底板: sink mat池底: bottom of the bath; bottom of the pool; floor of bath; floor of pool上游: 1.(河流接近发源地的部分) head waters; upstream; upper reaches 黄河上游 the upper reaches of the yellow river2.(先进) advanced position 鼓足干劲, 力争上游 go all out and aim high [strive for the best]; 上游无止境。 one can always aim higher.; 上游国家 upstream state; 上游河段 upper reach; 上游水位 upper pond level; up-stream water level; headwater level池底线: guiding lice; guiding line; lining of bottom熔池底: bath bottom底板: baseboard; baseplate; footwall; [采矿工程] floor (位于矿脉下面的岩层, 亦称“底帮”、“底盘”或“下盘”) ; chassis base; flask board; header; [工业] soleplate; solepiece; turning over board; [机械工程] shoe; [电子学] sole; [冶金学] bottom board; back plane; backboard; backing sheet; bay; bed plate; bottom plating; housing shoe; ledger; main base; mat; negative matrix; panel; seating; subplate; support plate; underplate池底玻璃: dog metal池底玻璃液: bottom glass池底腐植层: pond bottom humus layer池底耕耘: pond bottom cultivation活动池底: movable pool floor立于池底: stand on the floor燃料电池底: fuel cell bottom涂黑池底: blackened bottom游泳池池底: bottom of pool羽毛状池底: feather bed在池底行走: walking在池底站立: standing粘土大砖(池底): fire-clay bottom block上游;向着上游: u tream; upstream底板;平底板: base slab