He is learning to develop the film negatives.他学洗相片.Color positive emulsions basically perform in the same way that color negatives do.彩色正片的彩色再现过程，基本上和彩色负片相同。Two negatives make an affirmative.两个否定构成肯定.In the past we have ...
He patented the idea that the atom could be split.他获得了“原子可以再分”这一概念的专利权。ICM is an internationally patented call waiting service suited to the domestic market.因特网呼叫管理（ICM）是一项获得国际专利的、适合国内市场需求的呼叫等待服务。The basic design changed...
Binding may be very specific, as when chloroquine binds with nucleic acids.结合可能是极其特异性的, 如氯喹与核酸类结合.It is the memory and threat of persecution that binds them together.遭受迫害的记忆和威胁把他们紧紧联系在一起。Stones and cement binds strongly....