這才是教授水平的作業。

來源: 於 2011-07-12 20:32:01 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

 

Just had a quick google research, found lead-grey but no led-grey.

I have an impression that "lead" is for a metal and is pronunced as /led/.