碱金属原子的价原子具有两种能态.The valence atom of an alkali - metal atom has two states.所有的碱金属都在闭合壳层之外有一单个S电子.All the alkali metals have a single s - electron outside a closed shell.当碱金属光谱显示出不容怀疑的双线结构时,是令人惊奇的.It was surprising when th...
轻型飞机飞行时起落架不一定缩回.The undercarriage on light aircraft does not always retract in flight.男孩看见那条蛇吓得猛地缩回.The boy started back in fear when he saw the snake.但是现在要缩回来当然为时已晚.But it was too late then, of course, to back out....
Objective : To evaluate the feasibility of acute normovolemic hemodilution combined controlled hypotension in meningioma surgery.目的: 评价急性等容血液稀释复合控制性降压在颅脑手术中应用的可行性.Postural hypotension associated with Furosemide may be en...
屋宇起平地，耕野生人烟。Signs of habitation appeared and the fields gave way to houses.劳动者们一边耕犁稻田一边唱歌。Workers were singing as they tilled the rice paddy fields.农民让土地休耕现在得到了回报。Farmers are now paid to let their land lie fallow ....
journalistic activities新闻活动...journalistic descriptions of countries she visited.对她到访过的国家的新闻记述He is an old journalistic acquaintance.他是我在新闻界的一位旧交.He began his journalistic career in the early eighties in Australia.他在80年代...
The satellite revolves around the Earth once every hundred minutes.这颗人造卫星每100分钟围绕地球旋转一周。On 20 th, a migratory bird flies from the north woods, revolves the spacious square to circle.20日, 一只候鸟从北边的树林里飞来, 围绕着空旷的广场盘旋.The who...
深藏在丛林中的吴哥窟是柬埔寨百余座的古代庙宇中的一部份.Ankor Wat is part of a vast network of around a hundred ancient temples hidden deep in the Cambodian jungle.皇室完全地离开了吴哥.The Royal Court just literally walked away from Angkor completely.描述: 狮子雕...
In the swamp the army was beset by mosquitoes.在沼泽地,该军受到蚊子的困扰.The fort flanked on a swamp.堡垒侧面靠着沼泽地.This is a crocodile - infested swamp.这是一片鳄鱼聚居的沼泽地....