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...
Grease 6 ramekin dishes of 150 ml (5-6 fl oz) capacity.将6个容量为150毫升（5至6液盎司）的烤盘涂上油。Boil the sugar and 100 ml of water.煮100毫升的糖水。2.0 ml of this dispersion is combined with the following solutions.取2毫升分散液与下面溶液混合....
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....
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....
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 ...