Harry loosened his grip momentarily and Anna wriggled free.哈里的手稍一放松，安娜便挣脱出来。Bauman wriggled into the damp coverall.鲍曼扭着身子穿上潮湿的工作服。He wriggled uncomfortably on the chair.他坐在椅子上不舒服地扭动着身体....
禁毒专家说它可能会结束强效可卡因吸食泛滥的局面。Drug experts say it could spell the end of the crack epidemic.警察冲进去将他拘捕并没收了可卡因。The police moved in, arrested him and impounded the cocaine.强效纯可卡因是市面上最容易让人上瘾的毒品。Crack is the most addictive drug on ...
在匀强电场中, 电力线是平行的直线, 其间隔是均匀的.In an uniform field, the lines of force are straight parallel, and uniformly spaced.它本身是绝缘体,其导热能力优于铜,并能承受极高的强电场.It is insulator but its thermal conductivity is better than Cu.研究压电弯曲执行器在强电场作用下的非...