这时有些电子或离子与油滴碰撞而粘附在油滴上.Some of the electrons or ions then collide with the drops and stick to them.当给予适当照明时,这样小的油滴在显微镜下是很容易看到的.A drop of oil of this size is easily seen in a microscope when suitably illuminated.这些油滴一般都带负电...
His prose is vigorous and dense, occasionally to the point of obscurity.他的散文文笔有力、内容庞杂，有时几近晦涩。The actress was only 17 when she was plucked from obscurity and made a star.这个演员受到提携从无名少女一跃成为明星时年仅17岁。The obscurity of the pass...
中国是北韩最重要的援助和必需品的供应国.China is North Korea's most important supplier of aid and essential goods.伊朗取代阿曼成为中国进口原油的最大供应国.Iran replaced Oman as the largest crude supplier.专家指出,澳大利亚是世界上众多小麦供应国中的一员.Expers note that Austrilia...
The water gnaws at the shoreline.海水侵蚀海岸线.The laminae may appear especially even and parallel in sections parallel to the shoreline.在平行于滨线的剖面上,薄层显得尤为平整.emerged shoreline上升岸线Tilting, warping, and changes in elevation can s...