水的纯度定期检测。The purity of the water is tested regularly.要求学生们检验铜的纯度.The students are asked to prove the purity of copper.我们可以保证它的纯度.We can guarantee it pure....
Sylvia took quite a fancy to him...西尔维娅深深爱上了他。Sylvia's face was noncommittal...西尔维娅一脸不置可否。Sylvia, camera in hand, asked, 'Where do we go first?'西尔维娅手里拿着相机问道：“我们先去哪里？”Sylvia: So what exactly did your teache...
不到一刻钟，夜晚的寒气就一扫而光。Within quarter of an hour the coldness of the night had gone.空气稀薄清新，其间日光蒙眬，寒气逼人。The air was thin and crisp, filled with hazy sunshine and frost.今天早晨寒气袭人。There's a chill in the air this morning....
They have profaned the long upheld traditions of the Church.他们亵渎了教会长期以来的传统。Three judges unanimously upheld the sentence.三名法官一致维持这个判决。Roman republican law upheld a humanistic view of marriage.罗马共和国的法律对婚姻坚持人道主义的观点.If your ...
Objectivefunctional magnetic microspheres for the separation of vascular endothelial growth factor ( VEGF ) nucleic acid and lactase enzyme immobilization.此外,固定化乳糖酶实验结果显示固定化酶的量与磁性微球的量成正比.By the research, the dephosphoriz...
Receding gums can be the result of disease or simply incorrect brushing.牙龈萎缩可能是疾病导致的，也可能仅仅是错误的刷牙方式引起的。Our company specialize marshmallows, lollipops , bubble gums, chocolates and toys with candy.本公司主要出口棉花糖 、 棒棒糖 、 泡泡糖 、 ...