Lactein
[医] 炼乳, 乳酸菌素
🗣️ 情景例句
What are your weaknesses?
你的缺点是什么？
Maybe we should hold off until we have covered item B on our agenda.
也许我们应该先谈论完B项议题。
Cancer is a deadly disease.
癌症是一种致命的疾病。