Quatrimycin
差向四环素, 四-霉素
🗣️ 情景例句
But I have promises to keep,
但是我有约要赴
I would rather go today than tomorrow.
我宁愿今天去，而不愿明天去。
Visitors have been asked to keep the woods clean and tidy.
游客已被告知要保持树林的整洁。