她的信件记录了在中国的外交生活中家庭和社会活动的细节。
Her letters record the domestic and social details of diplomatic life in China.
这是很好的锻炼和社会活动在同一时间。
教室外面，我感到非常积极，并参加了在不同的社会活动。
Outside classroom, I was very active and took part in different social activities.
我们在暑假期间将参加社会活动。
We'll take part in social activities during the summer vacation.
他们在科技时代呼吸着，成长着，同时也经常参加社会活动。
They live and breathe technology and are often social activists.
他们在科技时代呼吸着，成长着，同时也经常参加社会活动。
They live and breathe technology and are often social activists.
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