身体浸入水中就会明显减轻重量.When a body is immersed in a fluid , it apparently loses weight.那个大男孩将游泳池中所有的小男孩都短时浸入水中.The big boy ducked all the small boys in the swimming pool.他把头浸入小溪来使自己凉快.He ducked his head in the stream to get cool...
...the educational problems of disadvantaged children...贫困儿童的教育问题I was disadvantaged by illness.我因病而处于不利地位.The centre aims to help disadvantaged areas of Europe, mainly by fostering new businesses.该中心旨在帮助欧洲的贫困地区，方法主要是通...
A high - efficiency Monte Carle method for oceanic lidar system simulation has been developed.提出了一种特别适用于海洋激光雷达系统的高效率的蒙特卡罗模拟方法.Along with the appearance of LIDAR, the extraction of 3 D buildings becomes more and more impo...