1.活性;放射性
2.活动;活跃;动作;活动力;能动性
3.机能,功能
4.〈美〉机构
5.活动范围
1.活性;放射性
2.活动;活跃;动作;活动力;能动性
3.机能,功能
4.〈美〉机构
5.活动范围
1.things that people do
2.something that someone does in order to achieve a goal
3.something that you do because you enjoy it or because it is interesting
4.a situation in which people are busy doing different things
1.things that people do
2.something that someone does in order to achieve a goal
3.something that you do because you enjoy it or because it is interesting
4.a situation in which people are busy doing different things