The particle radius unit, the micron, is especially common and useful.粒子半径的单位是微米, 微米这个单位尤其普通和有用.They all basically reach an ultimate vacuum pressure of. 1 micron.它们基本上能达到. 1微米的极限真空压强.At last future developments of micron...
Celia tried to blot out the present.西莉亚竭力排开眼前的事.The crime he committed is a blot on his record.他犯的罪是他的履历中的一个污点。There is a blot of ink on the paper.纸上有一滴墨水渍....an ink blot.墨迹That new factory is a blot on the landscape.那新建...
他们心情复杂地凝视着这尊雕像，既为它的美丽折服又心生忌妒。They gazed in a mixture of envy and admiration at the beauty of the statue.五角大楼心情复杂地留意着中国生产航空母舰的野心.The Pentagon is watching China's aircraft - carrier ambitions with bemused interest....