滴水板、水槽和塞孔一定要定期消毒。Make sure the draining board, sink and plug hole are regularly disinfected.她走到水槽边，把空玻璃杯灌上水。She went to the sink and ran water into her empty glass.切香肠用的刀放在水槽里。The knife for cutting sausage was sitting in...
由几何定律可以求出变形后的节点位置.By the laws of geometry we can find the displaced joint positions.求和的运算是通过节点来表示的.The operation of summing is represented by the nodes.我们从节点分析法的观点来考虑这个例子.We will consider this example from the nodal anal...
Etienne soon returned from his errand.依脱尼不久就回来交差了.She went off on some errand.她办事去了。He sent me on a fool's errand .他派我去干白费力的事。Unable to get about, she sent Joy on one errand after another.她自己动不了窝,便派小福子一趟八趟的去买东西.She ...