1. Photo Gallery: Underwater Landscapes Schools of silversides swim with a diver off western Grand Cayman. 水下风景开曼群岛西部,银鱼群与一名潜水员一起游泳。
2. Photo Gallery: Underwater Landscapes Schools of silversides swim with a diver off western Grand Cayman. 水下风景图片美术馆。银河鱼群游泳和潜水员离开西大开曼群岛。
3. A diver with an aqualung doesn't have to keep coming up for air; he can stay underwater for quite a long time. 备有潜水供氧器的潜水员无需不断升出水面呼吸;他可以在水下停留相当长的时间。
4. As a diver, it's important to learn to control your buoyancy at the surface and underwater because it lets you control where you are in the water. 身为一个潜水员,学习在水面和水底的浮力控制是很重要的,因为这样你才能维持你在水中的位置。
5. I'm also an awesome swimmer and diver and have excellent underwater vision. 我也是很棒的游泳能手,潜水能手,我具有极好的水下视觉。