Libramycin
磅霉素
🗣️ 情景例句
She owes her good health to her regular life.
她把健康归功于规律的生活。
Perseverance is failing nineteen times and succeeding the twentieth.
十九次失败，到第二十次获得成功，这就叫坚持。
The sea journey lasted over sixty days and nights.
海上航行持续了60多个昼夜。