海口

Watts Lake began as a marine inlet.

瓦茨湖当初是一个入海口。

I challenged him to make good his boast.

我给他出了个难题，让他兑现自己夸下的海口。

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.

通过黑龙江下游的出海口与本海相通，经水陆连接“欧亚大陆桥”，实行水、陆联运和江海联运。