Declomycin
去甲基四环素
🗣️ 情景例句
and I have a production meeting at four.
我四点钟有个生产会议。
To strive, to seek, to find, and not to yield.
要奋斗，要探索，要有所发现，而不要屈服。
You need to wear lots of warm clothes.
人们要穿很多的保暖的衣服。