Except for the transitional elements, valency electrons are in the outermost electron shell.除去过渡元素外, 价电子位于最外面的电子层.Hung believes the electrolyzed water steals electrons from molecules that the bacteria need for survival.黄...
加人预冷2一8℃的1%多聚甲醛1.0毫升并混匀.Add 2 ~ 8 C 1 % polysorbate 1.0 ml and mix them again.框架安装是聚甲醛树脂制成.The frame mount is made of delrin.并介绍了聚甲醛树脂的特性和主要应用领域.Moreover, the characteristics and the main applied fields of polyacetal res...
the relationship between predator and prey捕食性动物与猎物之间的关系The arrival of this South American predator threatened the survival of native species.这种南美肉食动物的到来威胁到了当地物种的生存.The bird is caught on the horns of a dilemma. Should it ...
哪个睡铺是我的?Which berth is mine?我们给楼上的孩子们提供睡铺.We bunked the children upstairs.由于没买着睡铺票, 我只能坐十几个小时回家.There is a sales booth there, I'll go to buy a bottle of water....
I'm quite deaf — you'll have to speak up.我耳背——你得大声说。The provincial assembly were deaf to all pleas for financial help.省议会对所有的经济救助请求都充耳不闻。Many deaf people have feelings of isolation and loneliness.很多失聪者都有孤独无助的感觉...