羚羊类

例句：

1. 1. The annual meeting of the board of directors is scheduled for next month.
   董事会的年度会议定于下个月举行。
2. 2. The annual report covers all aspects of the company's operations.
   年度报告涵盖了公司运营的所有方面。
3. 3. The annual cycle of the earth revolves around the sun.
   地球的年周期围绕太阳运行。