lose speed meaning in English

失去速度

The train was losing speed .
火车渐渐减速。
Inside the opening, the wind was cut off, the sails hung limp and the ship lost speed .
进入港湾后，风被挡住了，风帆松垂了下来，船速也减慢了。
When a molecule of the water vapor rebounds from the retreating cylinder, the molecule loses speed and kinetic energy .
水蒸汽的一个分子从后退着的活塞上弹回时，损失速率和动能。
You ' re losing speed
你已经力不从心了
Furthermore query optimization makes up the losing speed in data processing module to improve query speed and meet query demand
对于数据处理模块中sql语句拼装带来的查询速度的损失，在数据处理模块中对sql语句进行优化，提高查询速度，满足查询要求。