They sluice the streets down every morning.他们每天早晨冲洗街道.Out of the sluice springs an exhaustible supply of water.水从水闸中源源不断的涌出.We opened the sluice and the water poured in.我们打开闸门,水就涌了进来。They regulate the flow of water by th...
Watercolour still seems somehow to be the poor relation of oil painting.水彩画似乎仍比油画略逊一筹。Is this some kind of watercolour?这也是一种水彩 吗 ?These watercolour pens are given to me by mother.这些水彩笔是我妈妈给的....a collection of rich paint...