round porthole 圆形舷窗
ship porthole 船用舷窗
view through the porthole 通过舷窗观看
A: Can you see the dolphins through the porthole?
A：你能通过舷窗看到海豚吗？
B: Yes, they are jumping near the side of the boat.
B：是的，它们正在船边跳跃。
1) 船只或飞机上的小型窗户
2) 建筑上的圆形小窗
3) 用于采光或通风的开口
1. 舷窗；（船、机上的）小窗
noun
1. A small window in the side of a ship or aircraft.
Synonym: window, aperture