I've been on an emotional roller-coaster since I've been here.自从我到了这里，情绪就起伏不定。The last few weeks have been a real roller coaster.过去的几个星期，形势真是变幻莫测。It's great to go on the roller coaster five times and not b...
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....
人们期盼着更快的变化, 但不太可能.A swift change is longed for, but unlikely.热空气可使之在超过临界马赫数之前达到更快的速度。The hot air permitted higher speeds before the critical Mach number was exceeded.某些病毒的生长可以被生长更快的病毒所掩蔽.The growth of certain viruses is ...
Hoisting my suitcase on to my shoulder, I turned and headed toward my hotel.我把手提箱扛到肩上，转身向入住的旅馆走去。The hoisting capacity of that gin pole ( girder pole, guy derrick ) is sixty tons.那个起重抱杆 ( 格状抱杆 、 转盘抱杆 ) 的起重能力为60吨.We must ...