What he said is not worth a leek.他所说的话毫无价值.The likes of smoked chicken wings or tiger prawn and leek gratin are typical starters.像烤鸡翅,老虎虾,脆皮韭葱这类东西是典型的开胃菜.Harvey felt bad when he was obliged to eat the leek.哈维被迫忍受屈辱心里很难受....
Both ionization and excitation lead to eletronic transitions that may be the emission of light.电离和激发都将导致可能伴随有光发射的电子跃迁.Forbidden transitions are those for which dipole radiative transitions are not allowed by the selectio...