R&d
abbr. Research and Development 研究与开发
🗣️ 情景例句
Oh, working too hard.
噢 ，工作太累人了。
Beauty is potent; but money is omnipotent.
美丽是有力量的，但金钱更有权威。
that bodies and the can be rapidly covered over and preserved.
尸体之类的东西才能被迅速地覆盖而保存下来。