Some of the larger showcase venues are using designs and materials that are cutting-edge for China, presenting technical problems that require more time for construction, the officials said.

相关官员透露，一些大的场馆用的设计和材料对中国来说是最尖端的，也面临需要时间解决的技术难题。

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At that time, China had only two aerial skiing venues, but now hundreds of young athletes train in more than 10 specialized venues.

那时，中国只有两个空中滑雪场地，现在几百名年轻运动员在中国10多个专业场地进行训练。

youdao

At that time, China had only two aerial skiing venues, but now hundreds of young athletes train in more than 10 specialized venues.

那时，中国只有两个空中滑雪场地，现在几百名年轻运动员在中国10多个专业场地进行训练。

youdao