A bright shooting star, or meteor, is an unforgettable sight.明亮的流星，或者说陨石，是番难忘的景象。It was made by a meteor that fell from space.它是由流星从太空中坠落造成的.a meteor that impacted on the moon撞在月球上的一颗流星When a fireball appears you will in...
Islanding detection is a mandatory function for grid - connected photovoltaic ( PV ) converters .孤岛检测是 光伏 并网逆变器所必备的功能.A new method for islanding detection based on active current disturbing is proposed in this paper.本文提出...
Great oaks from little acorns grow.万丈高楼平地起.Welcome to my new website! It may not look much at the moment, but great oaks from little acorns grow!欢迎来到我的新网站. 它现在可能微不足道, 不过万丈高楼平地起嘛.A pig roots for acorns with its nose.猪以鼻挖泥...
They wore ordinary ties instead of the more formal high collar and cravat.他们打着普通的领带，而不是更为正式的高领领结。You're never fully dressed without a cravat.不打领结，就不算正装。Mr. Kenge adjusting his cravat, then looked at us.肯吉先生整了整领带, 然后...
使用陶制的活栓,认为是不够安全的.The use of stoneware cocks is not considered to be safe enough.医生关掉小活栓.The doctor shut off the petcock.该小活栓适用于连接内径为6mm的橡胶管.This petcock is suitable to connect the rubber pipes with the inside diameter of...