单词	photocathodes
释义	请查阅词条：photocathode
随便看	defeat utterly defeat (utterly/heavily/easily) defecate defecated defecates defecating defecation defecation defecator defecator defecatory defecatory defect defectability defectant defected defect-free defect from defectibility defectible defecting defection defectionist defections defectious 为什么人类离不开植物? 为什么人类能知道恒星的身世为什么人类要探测深海为什么人类要研制防振合金? 为什么人类需要睡觉？为什么人要吃不同种类的食物? 为什么人要呼吸为什么人要打呵欠为什么人要打喷嚏为什么人要换牙 Biegbarkeitsprobe Biege Biege Biegeapparat Biegearbeitsgang Biegeautomat Biegebacke Biegebalken Biegebank Biegebeanspruchung