METHODS: The target compound was prepared by the bromination and amination reaction.方法: 用溴代及胺化反应合成了四甲基吡嗪衍生物.The effects of triacetoneamine concentration on hydrogenation and amination were discussed.论述了三丙酮胺纯度对加氢和还原胺化反应的影...
The boss is laughing to say: Brandish Mei P?老板笑著说: 不用担心.Youth changes divine sword, love is aspersed in blue sky brandish.青春化神剑, 在蓝天挥洒爱意.When soldier brandish sword pricks armature, craftsman cried to attack.士兵挥剑刺盔甲时, 工匠...
"I guess you guys don't mind if I smoke?" he drawled.“伙计们,我想你们不介意我抽烟吧?”他拉长音调说。" Whoever heard of ten cents? " drawled the rickshaw man.“ 那里有一毛钱的,车夫懒懒地说.He drawled a greeting to her.他慢吞吞地对她说声问候。...
Swahili is the principal lingua franca in East Africa.东非的主要交际语是斯瓦希里语.The website is named for a Swahili word for " testimony. "该网站以斯瓦希里语中的 “ 宣言 ” 一词而命名.She both speaks and writes Swahili.她不但能讲而且能写斯瓦希里语....
The nurse cleansed the wound before stitching it.护士先把伤口弄干净后才把它缝合.Many are refugees of three or four or even five other places where they've been cleansed from.许多人是从其他3个、4个甚至5个地方驱逐出来的难民。The notorious Hell Row was bur...