而且所有声频均有指向性,声频愈高, 指向性愈强.The higher the acoustic frequency is, the stronger its directivity is.它表现在空间生产力发展的继承性 、 指向性 、 加速性和国际性四个方面.The inheritance that its performance grows in dimensional productivity, directivity, accel...
Nathaniel Hawthorne ( 1804 - 1864 ) and Emily Bronte ( 1818 - 1848 ), are both full of romanticism.纳撒尼尔·霍桑 ( 1804-1864 ) 与艾米莉·勃朗特 ( 1818-1848 ) 这两位作家都具有浪漫主义气质.Temperamentally, like Hawthorne, he preferred a plot out of t...
Jacobs was a stout, florid man.雅各布斯身材结实，脸色红润。Eleanor and I drank a toast to Miss Jacobs.我和埃莉诺向雅各布斯小姐敬酒。Suddenly he realised that Jacobs was addressing him.突然他发觉雅各布斯在对他说话....
将蔬菜蒸至大半熟后从蒸锅里捞出。Remove the vegetables from the steamer when they are three-quarters cooked.我们走出屋子之前, 我觉得像是在蒸锅里似的.Before we came out, I was feeling like I was steaming inside the house.芋头切成小粒,入蒸锅蒸20分钟至熟.Dice the taro and ...
在它的介体中是属于中间的或半持久的.That is transitory or semipersistent in its vector.植物有充分的变异性可用于培育对一些蚜虫介体的抗性.There is adequate variability in plants to breed for resistance to certain aphid vectors.吸收养分的介体.Helps in the absorption of nu...
天平上悬挂秤盘的横杆.The bar of a balance from which weighing pans are suspended.这个物件没法放在秤盘上, 只能用钩秤来秤.We can't put this thing scale . It can only be weighed hook scale....