Bertha was exasperated at the delay.延误让伯莎十分恼怒。Bertha came bouncing into the room.伯莎蹦蹦跳跳地进了房间.Bertha's smile became a little sad as she replied.当伯莎回答下面的话时,她的微笑变得有些忧伤了....
a fringe of woodland一条林带Grass fields were intermixed with areas of woodland.草地和林地相互交错。The trail wends its way through leafy woodland and sunny meadows.这条小径穿过葱郁的林区和洒满阳光的草地....
此降温盒的设计,解决了盛夏季节调制过程中磷酸锌粘固粉过早凝固的问题.The premature coagulation problem of zinc - phosphate cement in mixing process is resolved by using this case.对于不锈钢桩组, 桩腔预备的直径为1.25mm,用磷酸锌粘固粉粘固.For the stainless steel post group, 1.25 m...