The behavior of convective motion is not laminar but turbulent.对流运动的行为不是片流式而是湍流式.The flow is primarily laminar.这种流动主要是层流.The air flow was regarded as quasi - laminar.空气流动被视为准层流....
用拖拉机牵引的喷雾器可以将5加仑药水喷洒在10英亩田地上。A sprayer hooked to a tractor can spray five gallons onto ten acres.5加仑汽油可以跑多少路?How far will five gallons of petrol carry us?请加5加仑汽油.Five gallons of gas, please....
Plant evergreen shrubs around the end of the month.在月末前后种植常绿灌木。There is a small evergreen shrub on the hillside.山腰上有一小块常绿灌木丛.Some trees are evergreen; they are called evergreen.有的树是常青的, 被叫做常青树....