Fertonin
费尔托宁(含硫酸铁和抗坏血酸的片剂)
🗣️ 情景例句
Are you going to attend graduate school?
你想读研吗？
No one can call back yesterday.
往日不复返。
The airport was built years ago, but for some reason it could not be used then.
机场是许多年前建的，但由于某种原因当时未能启用。