本文报道2, 4-二氨基 -6- 取代哌哗嗪基喹唑啉衍生物的合成及其抗疟活性.A series of 2, 4 - diamino - 6 - substituted piperazine quinazolines was synthesized.本公司主要经营各种硫化染料,硫化染料, 2.4-二氨基甲苯等等.Our company mainly engaged in all kinds of Sulfur Dyes Sulfur Dy...
门房传达员深深地鞠了一躬,发出一声长长的 、 几乎是悦耳的叹息.The usher bowed deeply and heaved a long, almost musical sigh.传达员: 当肯先生, 请您稍坐一下, 好 吗 ?Receptionist: Mr Duncan, would you take a seat, please ?传达员: 寇比小姐? 有一位当肯先生在这里 — 想见格兰特先生.Receptionist: ...
The issue was hotly disputed in the committee.委员会对这个问题进行了激烈辩论。He'd snuck out of America hotly pursued by the CIA.在中央情报局的穷追不舍下,他已偷偷溜出了美国。He was hotly pursued after by his dog.他的狗紧紧地跟在他的后面。The bank hotly denies any wr...