The modern children find it difficult to conceive of a time when there was no radio or tv.

　　今天的兒童很難設想沒有收音機和電視機的'時代是什么樣子。

　　The conceive of application of dynamic safety evaluation to construction

　　動態(tài)安全評價方法在建筑領域的應用設想

　　The Conceive for Information Security of Internet Content in Full Service Times

　　全業(yè)務時代互聯網內容信息安全的設想

　　I perceived a change in his behaviour over those months.

　　我注意到他的舉止在那幾個月里有些改變。

　　She perceived that all was not well.

　　她意識到并非一切都順利。