Polycalcium
多种钙
🗣️ 情景例句
He is making good progress after his operation.
他动过手术后病情大为好转。
My wife and I still remember the first day we arrived in Beijing.
我太太和我仍然记得到北京的第一天。
A good knowledge of English will improve your chances of employment.
英语好将有助于增加你们的就业机会。