您要查找的是不是：
- The children were playing in the sand pit. 孩子们在沙坑中玩耍。
- Pig iron used as permanent ballast. 压载铁做为永久性压舱物的生铁
- The ship was furnished with ballast. 船上装了压舱物。
- Many coal-miners were imprisoned in a pit accident. 在一次塌方事故中，许多矿工被压在了井下。
- The managers want to pit the champion against John. 经理人想让冠军与约翰比赛。
- 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。
- ballast pit 碎石料坑,采石场
- The managers want to pit the champion against an unknown. 经理们想让冠军与一名未成名的选手比赛。
- A hole or pit, especially one in a road surface. 坑洞尤指路面上的涡穴或坑洞
- 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。
- Don't believe what he says. He's trying to dig a pit for you. 不要相信他的话。他在算计你。
- He felt an aching feeling in (the pit of) his stomach. 他胃疼。
- 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
- I've got quite used to working in the pit. 在矿井工作我已经很习惯了。
- 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）
- 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
- A small angular cavity or pit, such as a honeycomb cell. 小窝，蜂巢小窝或小泡，如蜂房的巢室
- Do ballast lines pass through any cargo tanks? 有压载管穿过任意货舱吗?
