Research and development program
[化] 研究与发展计划\\n[经] 研究和发展计划(方案)
🧩 词语组成解析
research
['risɝtʃ]
n. 研究，追究;探讨，探测;调查;探索;
vi. 做研究;探究;（从市场调研中）得出所预测的结果;
vt. 从事…的研究，为…而做研究;
re(again)+search(to go round)→研究；调查
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
🗣️ 情景例句
The scam they were running left many people penniless.
他们的这场骗局让人们分文不剩。
Why didn't you like hard work so much?
为什么你那么不喜欢好好工作？
Jeremy was a little disappointed by this but he did as his daughter asked.
这不免使杰里米有点扫兴，但他还是按照女儿的要求做了。