Rdna
abbr. recommended daily nutrient allowance 推荐每日营养素供给量
🗣️ 情景例句
My parents are expecting to see good grades this semester.
我父母希望我这个学期取得好成绩。
Yes, it's not like what the radio said at all.
是的，一点也不像收音机里说的那样。
The book is protected by copyright.
该书受版权保护。