您要查找的是不是：
- per bottom clause 每船限额条款
- They sent the enemy ship to the bottom of the sea. 他们把敌舰击沉。
- The child was sitting on the bottom stair. 那孩子正坐在楼梯最下面的一级上。
- I intend to get to the bottom of it. 这件事我打算寻根究底。
- He was always bottom of the class in maths. 他的数学成绩在班上总是垫底。
- The dregs have settled at the bottom of the bottle. 渣滓都沉到瓶底了。
- The agency places about 2000 secretaries per annum. 该代理机构每年可为约2000名秘书安排工作。
- It travels thousands of miles per second. 它一秒钟能走几千英里。
- I fell right to the bottom of the stairs. 我从楼梯上一直摔到楼梯下面。
- The police found a body at the bottom of the lake. 警方在湖底发现了一具尸体。
- Can your car make a hundred miles per hour? 你的汽车一小时能开一百英里吗?
- His bottom waggle in a funny way when he walk. 他走路时臀部扭来扭去，很可笑。
- These apples cost five yuan per kilogram. 这些苹果每公斤五元。
- The bottom of the boat was rusty. 船底生锈了。
- We fail one student per year on average. 我们平均每年有一个学生不及格。
- There is a pair of scissors in the bottom drawer. 最底下的抽屉里有把剪刀。
- Prices have reached rock bottom. 价格已经到了最低点。
- Every indication show market get near bottom now. 所有迹象表明，目前市场价格已跌落低谷。
- The car is spinning along120 li per hour. 这车正以每小时120里的速度行进。
- She knocked the bottom out of our argument. 她把我们的论点驳得体无完肤。
