我们在有沙子的塑胶跑道上跑步。

We were running on the courts that had sand on it.

鸟巢的内部是运动场，铺着塑胶跑道，中心是绿油油的草坪。

The inside of the bird nest was a sport field covered with plastic racetracks. The center of the sport field was a green lawn.

走进校园便能看见红色的塑胶跑道、绿色的草坪、宽敞的篮球场。

Walked into the campus to see the red plastic runway, green lawn, spacious basketball court.

有功能齐全的人造草皮运动场、300米塑胶跑道和六片标准塑胶篮球场。

The sports field in our school is a great landscape equipped with man-made grass accompanied a 300-meter plastic cement track nearby six standard plastic cement basketball stadiums.

叶平，台州市产品质量监督检验所副所长表示，塑胶跑道中的有害物质或将导致疾病。

Ye Ping, deputy director of Taizhou Product Quality Supervision and Inspection Institute, said harmful elements in plastic running tracks may result in diseases.