您要查找的是不是：
- impeller tip speed 叶轮外缘速度
- No horse has a speed comparable to that of his. 没有一匹马的速度能比得上他的马。
- Did you remember to tip the porter? 你记得给搬运工小费了吗？
- To move or impel to action, effort, or speed;spur. 催促，力劝促使行动、努力或加速；剌激
- That wheelbarrow is top-heavy; it'll tip over. 那辆单轮手推车重心不稳，会翻倒。
- To move or impel to action,effort,or speed;spur. 催促，力劝促使行动、努力或加速;剌激
- A canoe will sometimes tip over quickly. 独木舟有时一下子会翻掉。
- To move or impel to action, effort, or speed; spur. 催促，力劝促使行动、努力或加速；剌激
- I have her name on the tip of my tongue. 她的名字就在我嘴边，却说不出来。
- That's all there is to make a speed dial call. 在那里全部要进行快速拨号呼叫。
- He always has some money at the tip of his fingers. 他手头总有些钱。
- The great virtue of air travel is speed. 乘飞机旅行的最大优点是速度快。
- Don't lean on the table or it'll tip up. 别倚桌子，不然就倚倒了。
- I have her name at the tip of my tongue. 她的名字就在我嘴边,却说不出来。
- His house is located on the tip of the peninsula. 他的房子位于半岛的顶端。
- The waitress received a handsome tip. 女侍者收到了数量可观的小费。
- He drove the car at full speed through the town. 他驾驶汽车全速穿过那座城镇。
- It is customary to tip the waiter. 给侍者小费是一种习俗。
- The car rushed at the bridge at astonishing speed. 汽车以惊人的速度向桥冲过去。
- Have you given the waiter a tip? 你给侍者小费了吗？
