突然，我骨碌碌地滚下坡，完全晕头转向了。Suddenly I was cartwheeling down the slope, all orientation gone.你可以骑自行车滑下坡.You can coast downhill on a bicycle.这箱子太重,不能扛下坡去, 我们只得把它拖下去.The box is too heavy to carry down the slope; we'll have to...
Many insects can perceive colours of the spectrum that are invisible to us.许多昆虫能感觉到光谱中我们所看不见的颜色。Parents fear they might overstep these invisible boundaries.父母担心他们可能会逾越这些无形的界限。The mends were almost invisible.补好的地方几乎看不出来.A...
This district is getting more and more prosperous and bustling.这一带越来越繁华了....one of the most dynamic and prosperous cities in the Mediterranean.地中海地区最有活力、最为繁荣的城市之一The division between the prosperous west and the impoveris...
用陶土做碗.Form a bowl from clay.就是一种褐色的陶土杯,杯底内画有一只绿色的小青蛙.A brown earthenware mug with a little green frog at the bottom.高温使陶土硬化。Great heat indurates clay....