Rheumatoid arthritis factors
[醫] 類風濕關節炎因子
?? 詞語組成解析
a. 類風濕病的\\n[醫] 風濕病樣的
arthritis
[ɑ:'θraitis]
n. 關節炎;
n. 因素（factor的復數）
??? 情景例句
I don't want to flip hamburgers for the rest of my life.
我可不想把后半輩子全用在翻漢堡上。
You walk so fast that I can't keep up with you.
你走得太快，我跟不上你。
We need three times as much as we originally ordered.
原來的三倍。