Travis twisted the knife by laughing at her.特拉维斯火上浇油般地嘲笑她。Isn't Travis Shed that boy that was picking on you at school last week?这个特拉维斯·谢德不就是上周在学校打你的那个男孩 吗 ?Travis, tell them one more time I do not want to fight.特拉维...
The microgel particles the research team hae deeloped are like'smart sponges'when dispersed in water.微凝胶体研究小组已经研究出在水中分散的类似 “ 漂亮的海绵 ”.The hydrophilic colloids are readily dispersed in water.亲水胶体很容易分散在水中.The poli...