Poiyarthritis chronica
[医] 慢性多关节炎
🧩 词语组成解析
[医] 多关节炎
🗣️ 情景例句
Frank, you can learn as we go.
Frank，我们玩， 你跟着学。
He's the youngest in the family.
他是一家中最小的。
Although we can't see these atoms, they really do exist.
虽然我们看不见原子，但它们的确存在。