R&d
abbr. Research and Development 研究与开发
🗣️ 情景例句
Come on in, everybody.
大家请进来。
How can you possibly suppose that there is only one true religion?
你怎么能推测真正的宗教只有一种呢？
but because of thedifferent thoughts that exist in the minds of their inhabitants.
而是由于居民头脑中的思想不同。