thirteen例句
Cairo has only
thirteen square centimetres of green space for each inhabitant.
开罗居民的人均绿地面积仅13平方厘米。
A
thirteen year old girl is being treated after breathing in smoke.
一名13岁的小姑娘因吸入浓烟正在接受治疗。
Thirteen per cent of Christie's coin and banknote auction went unsold.
佳士得13%的硬币和纸币拍卖流拍。