R&d
abbr. Research and Development 研究与开发
🗣️ 情景例句
Well, we may read together aloud at home.
嗯 ，我们或许可以在家， 一起大声朗诵。
A pet lamb makes a cross ram.
宠坏的小羊将成为脾气坏的大羊。
Parents would be greatly surprised and deeply touched if they realized how much belief their children usually have in their character and infallibility,
那么家长会大为吃惊和深受感动的，如果家长意识到孩子们通常是多么相信家长的品行和绝对正确，