1.潮汛线
2.航海标;航标
1.an object on land easily visible from the sea that serves as an aid to navigation
1.I have collided with seamark 7 of chart 3807.
我船与海图3807中第7号标志相碰。
2.Only the seamark, our ship to sail to the shore of port;
只要了航标,本人们的航船才干驶向此岸的港口;