Irad
abbr. independent research and development 独立研究与发展
🗣️ 情景例句
It smells so delicious.
它闻起来好香。
My sister has been engaged for two months.
我的姐姐订婚有2个月的时间了
The efficiency is greatly raised,and the intensity of labor is decreased.
工作效率大大地提高了，而劳动强度却降低了。