复数： sandpits

Even playgrounds should collect tolls when it is billionaires in the sandpit .

当亿万富翁们在沙坑里玩耍时，即使是游戏场也应该收费。

Long approached his rival in the sandpit and congratulated him on his gold medal .

朗走近沙坑中的对手，祝贺他获得金牌。

The children were playing in the sandpit .

孩子们在沙坑里玩耍。

The kangaroo jumped to the end of the sandpit .

袋鼠跳到了沙坑的尽头。

Safecast 's 20 fixed sensors and 15 mobile units , which identify " hot spots " by going from schoolyard to sandpit , seek to fill a gap in the official information .

safecast的20个固定感应器以及15个移动感应器从校园到沙坑等“热点地区”都能感应到正尽力填补政府信息的空缺。