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- Aerospace Activity Coordinating Board 航空航天活动协调局
- The office has been humming with activity. 办公室一直忙着搞活动。
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- There has been a lot of activity in the town today. 今天市中心相当热闹。
- The town was humming with activity. 该市镇生气勃勃，呈现一片热闹的景象。
- The aerospace industry in our country has developed greatly after liberation. 解放后，我国的宇航事业取得了巨大的发展。
- Stamp collecting is my favorite activity. 集邮是我最喜爱的消遣。
- The store was a scene of great activity. 这家商店顾客盈门。
- He once engaged in anti-government activity. 他一度从事反政府的活动。
- The office is humming with activity. 办公室里一片忙碌。
- He was a pioneer of china's aerospace industry. 他是中国航天工业的拓荒者。
- Could you tell me how to find the Aerospace Museum? 能告诉我如何能找到航空航天博物馆吗?
- A center of interest or activity. 中心兴趣或活动的中心
- He was a pioneer of china rs aerospace industry. 他是中国航天工业的拓荒者。
- Showing no optical activity in polarized light. 无旋光的极化光下无光学反应的
- An increase, as in movement or business activity. 进步，改进，改善运动或商业活动的进步或兴隆
- He works in the Aerospace Department. 他工作在航空航天部门，
- Indulgence in or pursuit of sexual activity. 纵欲; 追求肉欲对性行为的放纵或追求
- Beijing Aerospace Computer Software Co., Ltd. 北京宇航计算机软件有限公司。
- The phenomena associated with volcanic activity. 火山现象与火山活动有关的现象
