您要查找的是不是：
- A feather, wing, fin, or similar appendage. 羽、翼或鳍状结构羽、翼、鳍或类似的悬着物
- The shark's fin sliced the water. 鲨鱼的背鳍像刀样迅速划破水面。
- prohectile fin aerodynamics 弹尾翼空气动力学
- A whistling sound, as of an animal or a projectile. 啭鸣声尖厉高音，如动物或发射物而发出的声音
- Such a projectile in a metal casing; a cartridge. 弹药(筒)装在金属盒中的射弹。弹药
- The shark's dorsal fin was cut off by the fisherman. 鲨鱼的背鳍被渔夫割了下来。
- Both target and projectile orbit the primary. 无论靶体还是射体都在绕主天体作轨道运动。
- The lateral deviation of a projectile or bomb. 炸弹或射弹的侧位偏差
- Come, old fellow, tip us your fin. 得了，老朋友，跟我们握握手吧。
- A javelin is a projectile weapon. 标枪是一种投射武器
- A whistling sound,as of an animal or a projectile. 啭鸣声尖厉高音，如动物或发射物而发出的声音
- He was the first to spy the triangle fin of a shark coming towards us. 他第一个发现一条鲨鱼的三角形鳍向我们游来。
- A surfboard fin sliced the crest of a wave. 冲浪板尾部划破浪尖。
- To propel(a projectile);launch(a missile). 发射推动（抛射物）；发射（导弹）
- Such a projectile in a metal casing;a cartridge. 弹药（筒）装在金属盒中的射弹。弹药
- I don't understand the aerodynamics. 对空气动力学我一窍不通。
- He did not see the fin of the other. 他没有看见另外一条的鳍。
- The range of a gun or projectile. 枪或炮的射程
- She's a very fin tragic actress. 她是一位非常好的悲剧演员。
- The effect of wind on the course of a projectile. 风力影响飞弹等发射物受到的风力影响。
