Cephamycin
头霉素
🗣️ 情景例句
I'm not convinced.
我持保留态度。
He who would search for pearls must dive below(or deep).
欲寻珍珠，须潜水下。
The prisoner felt sorry for him, but there was nothing else he could do.
战俘为他感到惋惜，但却没有别的选择。