Children in Australia celebrate Children's day on the fourth Wednesday in October.
澳大利亚的孩子们在十月的第四个星期三庆祝儿童节。
On the twenty-fourth of December, all children are very excited.
在12月24日这天，所有的小孩都很兴奋。
Soft tissue sarcomas are the fourth most frequent solid tumors in children.
软组织肉瘤是儿童第四常见的实性肿瘤。
Soft tissue sarcomas are the fourth most frequent solid tumors in children.
软组织肉瘤是儿童第四常见的实性肿瘤。
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