尼科尔斯在1949年正式入选名人堂。Nichols was recognized by the Hall of Fame in 1949.1949年时波恩还是个无足轻重的小城市。In 1949 Bonn was a small, insignificant city.这个城市是1949年解放的.The city was liberated in 1949....
affix a seal打上图章Affix the blue airmail label and leave the rest to us.贴上蓝色的空邮标签，其余的事情交给我们。Derivational affix modifies the word lexically which can be divided into prefix, infix and suffix.词缀是一种附加语素,表示词汇意义.可分为前缀 、 中缀和后缀.A...
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...