The hydrogenation of diene compound and carbonyl group with yeasts was studied.对几种酵母细胞催化双烯和羰基的加氢反应作了一些初步研究.EPDM is a terpolymer elastomer made from ethylene - propylene diene monomer.epdm是一种由乙烯 - 丙烯、二烯单聚物构成的三元共聚物弹性材料.The...
Dice the beetroot neatly.将甜菜根切成整齐的小方块.Don't use pickled beetroot, but buy it uncooked and cook it yourself.不要买腌制的甜菜根，买生的来自己煮。...freshly harvested beetroot.刚挖的甜菜根I could feel myself going as red as a beetroot when sh...
Middle East peace talks in Washington showed signs of progress yesterday.昨天在华盛顿举行的中东和谈有了取得进展的迹象。Mr Mandela was given a tumultuous reception in Washington.曼德拉先生在华盛顿受到热情的款待。By the time he's twenty he'll know ever...