Prfa
[醫][=plasma recognition factor activity]血漿識別因子活性
??? 情景例句
Robots can be used for many tasks which are considered too dangerous for people to do.
機器人能完成許多對人類來說是很危險的任務。
Everything is good when new, but friend when old.
東西新的好，朋友老的好。
Except us.
我們倆除外。