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%.
The government is more than adept at ploughing its own diplomatic furrow.政府在制定自己独树一帜的外交政策时无比娴熟。The wild boar ploughs the earth up like a furrow,and does irreparable damage in the cultivated lands.这只公野猪把土翻得像犁沟似的,给这些耕地造成了不...
Teddy clucked his tongue like a disapproving English matron.特迪咂了咂舌头，活像个不以为然的英国女舍监。Chickens clucked in the garden.鸡在花园里咯咯叫。The teacher clucked sympathetically at the child's story.对那小孩讲述的遭遇，老师啧啧地表示同情。...