He who handles a nettle tenderly is soonest stung.与恶人交往而讲仁义，必受其害。Gravid nettle rash has inside 4 months, should interrupt gravid.妊娠4个月内患风疹, 应中断妊娠.Falsehood like a nettle stings those who meddle with it.谎言似荨麻,玩弄会刺手.Some i...
The stinging nettle has a square stem and little hairs.荨麻长有四方茎和细小茸毛。Nettle grows plentifully on any rich waste ground.荨麻在任何肥沃的荒地上都能茂盛地生长。Falsehood like a nettle stings those who meddle with it.谎言似荨麻,玩弄会刺手....
墙面和地板上都贴着瓷砖。The walls and floors are clad with ceramic tiles.要确保这些瓷砖经过彻底灌浆并且密封好。Make sure that your tiles are thoroughly grouted and sealed.要保证每块瓷砖都和它周围的瓷砖在同一平面上。Make sure the tile is flush with the surrounding tiles....
Some Cu - Al structures used in thermal exchangers may lead to galvanic corrosion.铜铝结构热交换器存在着电偶腐蚀的倾向.The actue toxic effect of heavy metal Cu ~ ( 2 + ) to Stentor Polymorphrus ( Ciliophora, Heterotrichida ) was studied.研...