Calcitar
降钙素
🗣️ 情景例句
Take care, and don't be a stranger.
保重，以后别见外。
What year is this?
今年是哪一年？
They have found that it is connected with the passage of days and the phases of the moon.
他们发现代码与昼夜更迭和月亮圆缺有关，