蚯蚓做了使土壤透气的重要工作。Earthworms do the important job of aerating the soil.蚯蚓钻土很深。Earthworms burrow deep into the soil.他们正在挖蚯蚓作鱼饵.They were digging up worms to use for bait....
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....
The cells will promptly start to soak up moisture.细胞会立即开始吸收水分。Don't soak up everything uncritically.不要不加批判地接受一切.Keaton comes here once or twice a year to soak up the atmosphere.基顿每年到这里来一两次，为的是尽情感受这里的气氛。...