Most nations lack a single velodrome, let alone access to state-of-the-art wind tunnels.

很多国家连一个赛车场都没有，更不要说先进的风洞了。

youdao

Most nations lack a single velodrome, let alone access to state-of-the-art wind tunnels.

很多国家连一个赛车场都没有，更不要说先进的风洞了。

youdao