R and d program
[经] 研究与发展, 开发规划
🧩 词语组成解析
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
🗣️ 情景例句
I wish Robbie and Alexandra had come to this meeting.
我真希望Robbie和Alexandra已经来参加开会。
Thank you but this is something I have to figure out myself.
但有些事情我必须自己去考虑。
Debbie's father will set out with her in a small boat.
黛比的父亲将乘一条小船同她一道出发。