Dihydrocaliciferol
二氢钙化甾醇, 二氢骨化醇
🗣️ 情景例句
And here he is--Popo the Clown.
这位就是小丑Popo。
I'm fixing the car in the garage.
我在车房修车。
The bridge is so long that the shape of the earth had to be taken into account by its designer.
由于桥身太长，设计者不得不考虑了地表的形状。