R.b.c.
[医] 红细胞(旧名红血球)
🗣️ 情景例句
Congratulations, Michelle! That's something!
恭喜 ，Michelle！太好了！
He was my sincere friend.
他是我诚挚的朋友。
All we have to do is sign the contract.
剩下的只要签订个契约就行了。