boot and saddle

• 急速,骑兵上马的军号

boot and saddle的用法和样例：

例句

1. A boxer learns to bob and weave.
   拳击手学习急速扭头和闪身。
2. The rattlesnake swiftly vibrated and shook its tail.
   响尾蛇急速地摇晃并抖动尾巴。
3. By now,my heart beets fast and I am all nerves!
   事到如此，鄙人心跳加快，精神紧张起来。
4. This helps speed up view updates and rebuilds.
   这有助于加快视图更新和重建。