原级：schoolyard
1. The photographs of Tian Yi Bin remind me of the earlier days in China when the same calisthenics were done en masse in the schoolyards, all at the same time, and to the same martial music.
这使得我想起早年我在中国的时候看到的在操场上的大型广播体操表演，同样的场景，也配着同样雄壮威武的音乐。
2. The importance of the indicators of " environmental policies of schoolyards " category was the highest one of all categories indicator.
以「校园环境政策物种指标」分数最高；
3. Two decades ago, sports for children were often unorganized, with pick-up games common in schoolyards and community parks.
20年前，孩子们的体育运动是无组织的，只是在校园或公园里的普通而随意的游戏。
4. In and around play grounds and schoolyards.
出现在游乐场和学校附近。
5. Effects of different underlay grounds on micro - climate in schoolyards
不同下垫面对校园小气候的影响
6. There were more than 50% of urban plants could be found in parks and schoolyards, which was a species pool in Beijing built area.
公园、学校校园植物的总种数都占城区五环内植物总种数的50%以上，是城区植物的物种库。
1. Boys and girls in Beijing availed of the opportunity to enjoy a light moment by taking photos or playing snowball games in schoolyards.