体育锻练会使你充满活力.Exercise will keep you youthful.这个铁匠锻制马掌的手艺很高.The smith [ blacksmith ] forges horseshoes with great skill.他象锻炉里的铁一样热起来.He began to heat, like iron in the forge....
I had to go back for my checkup; they'd lost my X-rays.我得回去再做一次体检。他们把我的X光片弄丢了。I had a medical checkup before going abroad.我在出国前作了一次体格检查.The shopkeeper gave his store a final checkup before closing for the night.店主在晚...
Frequency is measured in hertz, or cycles per second.频率用赫兹即每秒钟的周数来计算.Rate of signal oscillation in hertz.信号振荡的速率,以赫兹(Hz) 为单位.There are Hertz, avis , Budget, National and several other small companies.有Hertz, avis, Budget...