This is a show-the-flag boat.

这是一艘有着象征意义的船。

youdao

The starting marks will be Race Committee boat Flag and Red Buoy to make the starting line.

起航线标志由竞委船旗帜与红色浮标之间连线为起航线。

youdao

When General recall, RC boat will displayed First Substitute flag plus Two sound signal.

全体召回时，竞委艇升起代一旗并发出音响信号二声。

youdao

The behavior of a fishing boat is mainly the responsibility of the nation whose flag it flies.

VOA: special.2009.12.08

Board a green flag boat, ignoring those with orange, yellow or no flags, and try to get a seat on the right (starboard) side to avoid the glare of the afternoon sun.

BBC: Take the boat out of Bangkok

While it is easy to get to Pakret by bus or taxi from Bangkok, it is much more interesting to take a green flag express boat.

BBC: Take the boat out of Bangkok

The young Lisa Diaz stars as a solo sailor who parks her boat and crosses the Brooklyn Bridge, with flag and stuffed bear in tow, in search of big-city adventure at famous landmarks she finds on an ancient map.

NEWYORKER: Me the Terrible