Differential scanning calorimeter ( DSC ) showed NPN had high T _ g ( 129.7℃ ) and T _ m ( 245.7℃ ).差热扫描法(DSC ) 测定其玻璃化温度 ( Tg ) 高达129.7℃,熔点达 245.7 ℃.Compared with contemporary thinkers, Luxun looked beyond his time and s...
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。The boy first showed promise as an athlete in grade school.这个男孩在上小学的时候就初次显示出成为运动员的潜力。He showed great courage by admitting th...
His voice was just a croak.他的嗓音沙哑。I had a sore throat and could only croak.我喉咙痛，只能哑着嗓子说话。Everyone seemed rather out of sorts and inclined to croak.每个人似乎都有点不对劲,想发发牢骚....
Clarence screws up his face and imitates the Colonel again.克拉伦斯又板起面孔，模仿起上校来。Art often imitates nature unknowingly.艺术经常会在不经意中模仿自然。He imitates people to perfection.他模仿别人,惟妙惟肖....
心中有羞愧感，有时候甚至无地自容。There is a sense of shame, sometimes carried to extremes.一想到这里,一种难堪的羞愧感就笼罩着他.At this thought an unbearable sense of shame possessed him.能有羞愧感的人不易堕落.He who can feel ashamed will not readily go wrong....