在航线上只有一个红色浮标，如附件绕岛赛航线图。

Only one Red Inflatable Buoy is on the race course see Attachment.

youdao

在航线上只有一个红色浮标，如附件绕岛赛航线图。

Only one Red Inflatable Buoy is on the race course see Attachment.

youdao