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
Oh, he's got Richard's eyes, though.
噢 ，他的眼睛跟Richard的像极了。
I think it's going to be too long.
我认为它将太长。
There's a zoo in the park. We can go and have a look at the animals.
公园里有个动物园哩。我们可以去看看动物。