Pregniotin
胎盘抗原
🗣️ 情景例句
To honor an order of big size like yours, it's beyond our financial capability.
执行象你们这样一个庞大的订货，超过了我们的财务能力。
Do you work near the railway station?
你在火车站附近工作吗？
Today is Thursday, September 10th, Teachers' Day.
今天是9月10日，星期四，教师节。