你这样无精打彩, 我敢说我要赶得上你了.You're so low, I dare say I shall keep up with you.他们无精打彩,垂头丧气.They bowed their heads and cast down their eyes.早餐时,他无精打彩,只吃了一点咸肉和鸡蛋.He pecked listlessly at his breakfast of egg and bacon....
The quantal features can be obtained by the canonical procedure of quantization.量子特征可用正则量子化方式得到.In particular he sought the canonical form of any pencil.他特别地找寻任何束的标准型.These canonical forms have to existence except in our...