Cholecalciferol
n. 維生素D3
??? 情景例句
That's right.
是的。
Excuse me, but do you handle remittance checks here?
打擾了，你們辦理匯款支票嗎？
An apple a day keeps the doctor away.
一天一蘋果，醫(yī)生遠(yuǎn)離我。