Both services are perennially short of staff.两个机构一直都是人手不够。We want to know what is perennially new about the world.我们想知道世上什么东西永远是新的.A fighter is perennially young.战士是永远年轻的....
这种病情叫做季节性情感失调症，或简称SAD。This condition is called seasonal affective disorder, or SAD for short.糖尿病是由体內胰岛素分泌失调引起的.Diabetes is caused by a fault in the insulin production of the body.她装做对自己的失调和苦恼若无其事, 但是实际上她是为自己的健康状况非常发愁的人.S...
Some people moved in silky, liquid movements, others were jerky, probably drunk.一些人动作平稳流畅，其他人则跌跌撞撞，大概是喝醉了。Mr Griffin made a jerky gesture.格里芬先生急匆匆地做了个手势。She lit a cigarette with quick , jerky movement.她用急促的动作点着了香烟....
You should avoid sugars and starches.你应避免吃糖和含淀粉的食物.Cotton and rayon yarns are most often sized with water - insoluble starches.棉和人造丝纱多用不溶于水的淀粉上浆.The paper studies the effect of different modified starches on dry strength...
大炮必须事先固定炮位,方能准确轰击目标.Heavy guns have to be bedded in before they will fire accurately.装在船体四周的火炮,由于炮位外伸,不易设计立式结构扬弹机,供弹困难.The ammunition supply was tricky because the overhang hoists from being positioned close to the guns....