(商标)由金刚砂晶体构成的研磨剂.A trademark used for an abrasive of silicon carbide crystals.金刚砂是非常坚硬的金属物质.The emery is a hard metallic substance.适用砂材: # 26- #320氧化铝砂 、 金刚砂 、 玻璃珠 、 塑胶喷砂粒等.Applicable sand material: Aluminum oxide Sand o...
First, why do we get light propagating at all?首先, 我们来看看光为什么可以传播?The model shows a wave propagating from left to right through air.该模型表明,波从左至右通过空气.What are the pigeons doing outside? Eating, sleeping, propagating!门外的那些鸽子在...
"This ought to be fun," he told Alex, eyes gleaming.“这应该会很有趣！”他对亚历克斯说,两眼闪闪发光.I felt loath to sully the gleaming brass knocker by handling it.我不愿意伸手去抓那闪亮的黄铜门环，怕把它弄脏。His high black boots had been shined to a gleaming finis...
Whatever he said, the swift answer crushed him like a bludgeon.不论他说什么, 对方迅速的回答就像给他打了一下闷棍一样.A brave fellow is as good as his words, a swift horse needs no spurring.好汉一言, 快马一鞭....his swift descent from respected academic t...
Middle East peace talks in Washington showed signs of progress yesterday.昨天在华盛顿举行的中东和谈有了取得进展的迹象。The river widens considerably as it begins to turn east.河流转向东流时河道大幅度变宽。We drove east to Rostock, where my map led me astray....