P - methoxybenzeneacetonitrile was prepared in 34.8 % yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.以苯甲醚为原料,经过氯甲基化, 氰化反应后, 通过精馏获得对甲氧基苯乙腈,总收率为34.8%....
Joanne had a small dark birthmark near her hairline...乔安妮的发际线旁有个小小的深色胎记。The bartender had a florid face and a receding hairline.酒吧男招待面色红润，前额有点脱发。She looked up at me with pinpricks of sweat along her hairline.她抬头看了我一眼，发际渗...
蒙博托出身行伍，通过一级级晋升，最终成为了陆军司令。Mobutu ascended through the ranks, eventually becoming commander of the army.他们最终的目标是为匈牙利建立起市场经济体制。Their ultimate aim was a market economy for Hungary.他们最终来到一扇雕刻精美的对开门前。Eventually they reached a...
到6个星期大时，大多数婴儿开始表现出近似于日夜分明的睡觉模式。By about 6 weeks of age, most babies begin to show something approximating a day/night sleeping pattern.神经元的本体, 其作用近似于一种线性阀值器件.The body of a neuron. Acts approximately as a linear threshold...
Doctors jetted to the disaster area are a help to the victims.医生们乘喷气式飞机被送到灾区救助灾民.Water jetted out from the broken pipe.水从破裂的水管里喷出.Vapor jetted from the brood hose as from a little steam engine.大鼻子里象小小的蒸气机似的冒出热气....