Both of these definitions relate to distance running because one thing the distance runner needs to be able to do is to develop what is known as a speedreserve.
这两种定义都和长跑有关，因为长跑者要做的一件事就是提高所谓的速度储备。
2
And the speed of oil released from government reserves, such as America's Strategic Petroleum reserve, also has upper limits.
但各国储备释放石油的速度，比如美国的战略石油储备，也是有上限的。
3
Sports competition is, in essence, competition in the production of sports talents, a race in the speed of growth of reserve forces.