These particulate creatures are hardly visible to the naked eyes.这些微小的生物肉眼几乎看不见。Visible particulate matter can be controlled by adequate regulations.对肉眼可见的颗粒物质的污染通过适当管理即可加以控制.Lungs retain relatively insoluble particulate...
The bequest is con-servatively estimated at £30 million.保守估计，这笔遗产有3,000万英镑。He left a bequest to each of his grandchildren.他给他的孙辈每人留下一笔遗产。The library has received a generous bequest from a local businessman.图书馆从当地一位商人那里得到...