伴随着隆隆的低沉噪声，螺旋桨开始旋转起来。With a low-pitched rumbling noise, the propeller began to rotate.头顶上，直升机在呼啸，巨大的螺旋桨叶片搅动着空气。Overhead, the chopper roared and the big blades churned the air.发动机使螺旋桨旋转起来。The engine turned a propeller....
Local administrations grouped in a joint salvage effort.当地各管理部门联合起来协力挽救.Psychoactive substances are commonly grouped toare stimulants , depressants, or hallucinogens.刺激神经类物质通常分为兴奋剂 、 静剂和幻觉剂.The targets of these foreign (...
试验应用鸡公雏, 检测了人工合成青蒿素对鸡盲肠球虫病的预防效果.Using younger cocks, the preventive result of artificial synthesize arteannuin to Chicken Caecum Coccidiosis was examined.目的了解张家口地区兔球虫种类及感染情况.Objective To get message of the coccidian infe...
Ramesh had reclined his seat and was lying back smoking...拉梅什把椅背调低，倚在上面吸烟。She sat there, reclined against a foam rubber cushion.她在那儿倚靠着海绵橡胶垫坐着.He reclined comfortably on a sofa reading a newspaper.他舒服地斜躺在沙发上看报.Ramesh had...