The fluid produced is called nephric filtrate.所产生的液体称为肾滤液.A filtrate collection box sits underneath, and seals against, the upper belt.滤液收集盒紧靠着上方皮带的下面密封.Objective To observe the effect of filtrate of normal human fresh d...
Terry was sitting on the bottom stair.特里正坐在最下面的一级楼梯上。I followed her down the stair.我跟着她下了楼梯。The stair treads were covered with rubber to prevent slipping.楼梯踏板上覆盖着橡胶以防滑....
马克非常直率而严肃地说：“你是个懦夫。”"You're a coward," Mark said very plainly and soberly.我很惭愧，我是个懦夫。I was, to my shame, a coward.那家报纸不公正地称他为懦夫.The newspapers had unjustly labelled him as a coward....
The problems that have dogged him all year are just a temporary setback...一时的挫折竟困扰了他一整年。He pressed resolutely forward, still without haste , but with dogged fixity of purpose.他奋力向前走去, 仍旧那样不慌不忙, 但是目标坚定....his dogged insis...
The dawns here in the mountains are very beautiful.这里山区的黎明是很美的.The dawns were heralded by the descent of a chill stillness.自天而降的一阵寂寞冷落的清寒,引来了一天的黎明.Day breaks .; Day dawns .天亮 了....