Apramycin
阿泊拉霉素
🗣️ 情景例句
Sorry, Richard. They don't have it.
对不起 Richard 他们那里没有。
Waste of time is the most extravagant and costly of all expenses.
浪费时间是一切花费中最奢侈豪华的费用。
One day a letter from my father arrived at the school, asking for a teacher for me.
有一天，我父亲的信寄到学校，请求为我聘用一名教师。