Precalciferol
[化] 前鈣化醇
??? 情景例句
What's your best offer?
你最多能出多少錢？
When does it arrive?
什么時候到那兒？
There are about 50 million sheep in New Zealand, about 14 sheep for every New Zealander!
在新西蘭大約有5000萬只羊，每個新西蘭人擁有14只羊左右！