He has found that smoke and toxic gases can be transported swiftly up through the atrium.他发现烟和毒害性气体可通过中庭迅速向上传播.From the left atrium the blood passes through the bicuspid valve into the right ventricle.来自左心房的血液通过二尖瓣进入右心室....
There's been a lot in the papers about the problems facing stepchildren.报纸上有很多关于继子女所面临的问题的报道。His commitments to the stepchildren will not reduce his obligation to his natural children.他对继子女的关爱和投入不会减少他对亲生孩子的责任。Do ste...
The earth never held a purer being than Hetty Hutter.天底下再也找不出像海蒂·哈特这样纯洁的人了.His music is purer poetry than a poem in words.他的音乐比真正的诗歌更具诗意。...demands for purer and cleaner river water.需要更纯净、更清洁的河水Now General Electric have ...