The earth rotates on its axis once every 24 hours.地球每24小时依其轴心自转一次.The camshaft rotates in phase with the crankshaft, but at half its speed.凸轮轴和曲轴协调旋转, 但速度仅是曲轴的一半.The earth rotates once a day on its axis.地球绕它的自转轴一天旋转一周....
He lieth under the shady trees , in the covert of the reed, and fens.它伏在莲叶之下, 卧在芦苇隐密处和水洼子里.The depth of covert racism in my own profession frightens me.我所从事的职业中暗藏着如此深的种族主义偏见，这让我感到害怕。The army carried out covert surveillan...
The whisky was taken to bonded warehouses at Port Dundee.威士忌酒已送到邓迪港的保稅仓库.Row upon row of newly built warehouses line the waterfront.江岸新建的仓库鳞次栉比.Warehouses at the frontier between the two countries fill up with sacks of r...
这架钢琴的音色具有一种古雅的 老式 风味.The piano has a quaint old - world tone about it.这把小提琴的音色很好.This violin has very good tone.不同的触键方法,会产生不同的音色表现.Different Methods : To touch the keys will result in different representation of timbre....
轴颈在轴承面上摩擦.The journal rubs against the bearing surface.此外,在较高的运行速率时, 自转轴承的寿命急剧下降.In addition, spin - bearing life is sharply reduced at higher operating speeds.因此用 “ 外生压轴承 ” 一词更佳.The term " externally pressurized bearing...