The results showed that reducing dryrate of particle agents or selecting particle agents with slow dryrate could effectively reduce the shrink of flowers and improve the quality of dried flower.
The supply of oil can be shut off unexpectedly at any time, and in any case, the oil wells will all run dry in thrty years or so at the present rate of use.
石油供应可能会随时意外中断；不管怎样，以目前这种消费速度，只需30年左右，所有的油井都会枯竭。
3
Their wearisome heads went up and down at the same rate, in hot weather and in cold, wet weather and dry, fair weather and foul.