He squinted and shielded his eyes.他眯着眼，用手挡住眼睛。His secretary shielded him from importunate visitors.他的秘书替他挡住胡搅蛮缠的来访者。How well is the exposure area shielded from the cyclotron proper.照射区对回旋加速器本身的屏蔽程度如何?He shielded his head...
Storms swept the country, closing roads, buffeting ferries and killing as many as 30 people.暴风雨席卷全国，使道路无法通行，渡船受袭，多达30人遇难。Ferries are very powerful and manoeuvrable compared to cargo ships.与货船相比，渡船马力大而且易操纵。All the ferries...
Chicken liver chromatin component DNA : RNA : histone: non - histone ratio is 1∶0.鸡肝染色质组成成分DNA∶RNA∶组蛋白∶非组蛋白的质量液度的比值为: 1∶0.The chromatin remodeling and histone acetylation were associated with transcription activation.真核基...
We played that record all night long.我们整晚都在放那张唱片。The mother sat by the sick child all night long.妈妈整夜守在生病的孩子身旁.All night long he turned and tossed in bed.整整一夜他在床上翻来覆去地睡不着....
Senator Sarbanes expressed concern that programs designed to soften the blow of unemployment are not working well.旨在缓解失业冲击的项目进展得并不太顺利，参议员萨班斯对此表示关切。The changes on internal control framework of American company after the p...