Cephamycin
头霉素
🗣️ 情景例句
Mike and I had a hamburger at the diner. Mike
和我在火车厢餐厅那里吃了汉堡。
She dresses very well.
她很会穿衣服。
Could we see the specifications for the X200?
我们可以看一下X200型的详细规格吗？