The causes of tarnishing gold and silver - plated connectors were studied respectively.分别探讨了接插件镀金和镀银层变色的原因.Bright tin electrodeposits on copper wire are susceptible to tarnishing.铜线材经光亮镀锡后易产生腐蚀变色.Do they not realize thei...
He tried to calm them, but was greeted with shouts of derision.他试图让他们平静下来，但却招致他们大声的嘲笑。He gave a snort of derision.他哼了一下鼻子表示嘲笑.Children dread the derision of their playmates.孩子们害怕受到同伴的嘲笑....
Man is a dweller on the earth.人类是地球的寄居者.I did a story on the condominium dweller's revolt at Golden sands.我曾写了一篇文章论及金沙公寓居住者们的反感.Both city and town dweller should pay tax.城镇居民都需要纳税....
我把手伸到桌子的另一边，捏住他的手。I reached across the table and squeezed his hand.这张柚木桌子的桌腿有凹槽纹饰。The teak table has fluted legs.把厚木板的一端用夹具固定在桌子的边上。Clamp one end of the plank to the edge of the table....