核能: nuclear energy...
说实话: to speak the truth, truth to tell, frankly...
属于: to be classified as, to belong to, to be part of...
响: echo, sound, noise, to make a sound, to sound, to ring, loud, classifier for noises...
简短: brief (statement, summary etc), briefly, brevity...
混合: to mix, to blend, hybrid, composite...
生锈: to rust, to grow rusty, to corrode, oxidization...
窍门: a trick, an ingenious method, know-how, the knack (of doing sth)...
词汇: vocabulary, list of words (e.g. for language teaching purposes), word...
穷: poor, destitute, to use up, to exhaust, thoroughly, extremely, (coll.) persistently and pointlessly...