The hydrophobicity is related to molecular volume and polarity.分子的疏水性跟分子的体积和极性有关.The grafted membranes had good hydrophilicity compared with the hydrophobicity of base film.从各个角度对膜的亲水性能作了定量研究,提出了水合数与表面自由能的计算方法.SVI was di...
His figure bent earthwards with hard work.因为工作辛苦,他已经弯腰驼背了.Then, in a final act of incredible courage, the last man tumbles earthwards.接着, 最后这名高手以令人难以置信的勇气向下跳去....
We tend to meet up for lunch once a week.我们往往每周共进一次午餐。We had lunch the other day at our favorite restaurant.前两天我们在最喜欢的餐馆吃了午饭。Grace laid out the knives and forks at the lunch-table.格雷丝把刀叉摆放在午餐桌上。...
多年来，日晷一直吸引着科学家和数学家们。For many years sundials have cast their spell over scientists and mathematicians.教堂大院里通常设置日晷.Churchyards often have sundials in them.作为计时器,漏刻的使用比日晷史为普遍.Many ancient Chinese men of letters left behind ...
内尔的同事们说他实际上在说笑逗乐，心情不错。Neil's colleagues say he was actually in a joking, upbeat mood.我们说笑了很久。We talked and laughed a great deal.双方队员在比赛前互相说笑.The rival team members bantered before the game....