What if it rained and then froze all through those months?要是那几个月一直又下雨又冰冻怎么办？The windows didn't fit at the bottom so for a while we froze even in the middle of summer...窗子底下关不严，所以有一段时间即使是在盛夏我们也觉得很冷。He either suffocat...
腺嘌呤:在DNA和RNA中发现的含氮的碱基 ( 6 - 氨基嘌呤 ).Adenine A nitrogenous base ( 6 - amino - purine ) found in DNA and RNA.用增压等离子体熔炼含氮的铬锰奥氏体不锈钢,不锈钢氮含量达0.57%～0.74%.Austenitic chromium manganese stainless steel with 0.57 % ~0.74 % nitrogen...
在怀俄明州，消防员还在为扑灭这两场大火而奋战。In Wyoming, firefighters are still battling the two blazes.当消防员到的时候,火已经快灭了.When the firemen came the fire has burned down.消防员花了两个小时才把传动带切断，把他救了出来。It took firemen two hours to cut through the drive ...