海口

Watts Lake began as a marine inlet.

瓦茨湖当初是一个入口。

I challenged him to make good his boast.

我给出了个难题，现自己夸下的口。

Through Heilongjiang a downstream big talk and Japanese sea are interlinked, via terraqueous join " Eurasia bridge " , execute through traffic of water, land and river sea through transport.

通过黑龙下游的出口与本相通，经水陆连接“欧亚大陆桥”，实行水、陆联运联运。