1. The representative species of a genus, the representative genus of a family, etc. For example the genus of the family Solanaceae. 一个属的代表性物种，或是一个科的代表属，等等。例如：茄属是茄科的代表属。
2. Bouncing yellow and halcyon blue, make TV setting wall becomes the visual center of the room. 跳跃的黄色与宁静的蓝色，使电视背景墙成为房间的视觉中心。
3. The military academies are also enjoying halcyon years, attracting more and better-qualified students. 军事院校因招收的学生数量多了，质量好了，年头也很好过。
4. Though often disillusioned, she was still waiting for that halcyon day when she would be led forth among dreams become real. 虽然她的幻想常常破灭，但她还在期待着那美好的日子，到那时她的梦想就会变成现实。
5. He had been a member of the crew of the smuggling schooner Halcyon when she was captured by a revenue cutter. 他把他所知道的生活呈现到了听众的眼前。走私船翠鸟号被缉私船查获时他是船上的水手。
