刘胡兰在敌人的屠刀面前大义凛然,视死如归.Liu Hulan unflinchingly faced death under the butcher's knife of the enemy.这些魔鬼临死也不会放下屠刀.These monsters would not lay down their cleavers even when on the brink of their own destruction.放下屠刀,立地成...
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...
The heat dial was set at 150 degrees.温度调节器设定在 150 度。Don't touch that dial…不要碰那个刻度盘。The dial index will rotate in azimuth, giving an incorrect heading reading.读数示标会绕方位轴转动, 给出不正确的航向读数.The needle of the dial had shot u...