您要查找的是不是：
- Pig iron used as permanent ballast. 压载铁做为永久性压舱物的生铁
- 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 ship was furnished with ballast. 船上装了压舱物。
- The shark's fin sliced the water. 鲨鱼的背鳍像刀样迅速划破水面。
- ballast fin 鳍龙骨,压载龙骨
- The ballast placed in the ship can keep the ship steady. 放在船上的压舱物可以保持船的平稳。
- The ballast may be thrown out to make the balloon go higher. 沙袋可以拋掉以使气球飞得更高。
- The shark's dorsal fin was cut off by the fisherman. 鲨鱼的背鳍被渔夫割了下来。
- Arc lamps require a current-limiting ballast. 弧光灯需要一个限流镇流器。
- Not stabilized or properly stabilized by ballast. 不稳定的未用压舱物稳住的
- Come, old fellow, tip us your fin. 得了，老朋友，跟我们握握手吧。
- To fill(a railroad bed) with or as if with ballast. 铺沙石用或似用沙石铺（铁路路基）
- 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。
- The rail beds well on the ballast. 铁轨在道碴上搁得很稳。
- The readiness of a vessel for sailing with regard to ballast, sails, and yards. 船的航行状态从船的压载、船帆和帆桁方面考虑看船的状况是否能够航行
- He did not see the fin of the other. 他没有看见另外一条的鳍。
- Do ballast lines pass through any cargo tanks? 有压载管穿过任意货舱吗?
- She's a very fin tragic actress. 她是一位非常好的悲剧演员。
- Are there anodes in the ballast tanks? 压载舱有阳极吗?
