buff
[bʌf]
n.
米色;
爱好者;
黄褐色软皮革（尤指水牛皮或黄牛皮革）;
黄皮军装上衣;
adj.
浅黄色的;
米色的黄褐色软皮革（尤指水牛皮或黄牛皮革）;
黄皮革制的;
健美的;
vt.
用软物擦亮（金属）;
使皮革柔软;
减低（力量）;
减弱;
vi.
作缓冲器，缓冲;
例句:
-
I am an exercise buff, always have been.
来自SA
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He took a largish buff envelope from his pocket.
他从口袋里掏出一个相当大的米色信封。
-
Judge Lanier is a real film buff.
拉尼尔法官是个真正的影迷。
-
She was wearing a buff uniform.
她穿着一身米色制服.
-
I felt really bad about straddling this buff guy.
来自THETIMES
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I am not a scientist , just a science buff.
来自SA