chunk
noun [ C ] uk/tʃʌŋk/ us/tʃʌŋk/
大块;厚块
a roughly cut piece
a chunk of cheese/meat 一大块奶酪／肉
pineapple/tuna chunks 菠萝／金枪鱼块
informal一部分;（尤指）大部分，一大块
a part of something, especially a large part
a chunk of text 一大段文字
a substantial chunk of our profits 我们利润的很大一部分
Three hours is quite a chunk out of my working day. 3个小时占了我一个工作日中相当长的一段时间。