Swallows begin their migration south in autumn.燕子在秋季开始向南方迁移.Change of climate must have had a powerful influence on migration.气候的变化对于迁移必曾有过极大的影响.Certain other factors are also involved at the secondary - migration stage....
The pulmonary migration of larvae is associated with fever, cough, occasionally hemoptysis.蛔蚴肺部移行,可伴有发热 、 咳嗽 、 偶尔咯血.the seasonal migration of birds鸟的季节性迁徙On migrated sections migration noise can become the equivalent lim...
the bottomless pit of his sorrow他无尽的悲哀He who can suppress a moment's anger may prevent a day of sorrow.能忍一时气，可免一日优。She was portioned with sorrow throughout her life.她命中注定一辈子受苦。I had dared and baffled his fury; I mus...
他无法怀疑她已经进入追求比赛之内用刺棒驱赶杰生.He couldn't suspect she had goaded Jason into pursuing the game.他用刺棒驱牛.He goaded the ox on.刺棒赶牲畜用的尖头棒.A goad, as for prodding cattle....
Vast tracts of the country are wild and undeveloped...乡间大片大片的荒地尚未开发。Each sequence is made of transgressive system tracts and highstand system tracts.认为娄山关组由7个三级层序组成,层序界面为古岩溶不整合面或暴露带,每个层序都由海进体系域和高水位体系域构成.Large tracts of w...
He sheathed the knife and strapped it to his shin.他将刀插入鞘中，绑在小腿上。Make sure that the child is strapped tightly into the buggy.一定要把孩子牢牢地拴在婴儿车上.The soldiers'great coats were strapped on their packs.战士们的厚大衣扎捆在背包上....