Arava
[医]是一种抗风湿药（含leflunomide）
🗣️ 情景例句
What's your problem, Mike?
你现在问题在哪 ，Mike？
It's no trouble at all. I'll carry this suitcase for you.
一点也不麻烦，我来替你提这只箱子。
There was also a great deal of machinery on display.
参展的还有很多机器，