Calcifediol
[化] 骨化二醇
🗣️ 情景例句
Today I'm so happy; I found a new boyfriend.
今天我很高兴，我又找了个新男朋友。
All are not thieves that dogs bark at.
犬之所吠，并非皆贼。
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。