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- 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。
- 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。
- A center of interest or activity. 中心兴趣或活动的中心
- 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
- Contamination can't be ruled out entirely. 污染是不能完全清除的。
- The brass surface must be free of contamination. 黄铜表面必须未经沾污。
- Indulgence in or pursuit of sexual activity. 纵欲; 追求肉欲对性行为的放纵或追求
- Such contamination has been extensively studied. 人们对这种污染进行了大量研究。
- The phenomena associated with volcanic activity. 火山现象与火山活动有关的现象
- Moral contamination or corruption. 腐蚀精神上被腐化或堕落
- The contamination should be removed. 应该清除掉污染。
- A range of endeavor or activity; a province. 范围努力做 ... 的范围或活动范围; 范围
- An abnormal fear of dirt or contamination. 不洁恐怖对污物或污染的异常恐惧
