Chronic arthritis
[医] 慢性关节炎
🧩 词语组成解析
arthritis
[ɑ:'θraitis]
n. 关节炎;
🗣️ 情景例句
Where are you from?
你是哪里人？
I don't know where I've seen him before.
我不晓得在哪儿见过他。
Now, this is the chemistry lab. Have you been in this lab before?
好啦，这是化学实验室。你们以前到过这个实验室吗？