stack /stæk/ I. n. 整齐的一叠 (或一堆)：a stack of rice straw 稻草垛 I’ve got stacks of letters to write. 我有好多信要写。［考句］There’s a whole stack of bills waiting to be paid.有一整摞的帐单等待支付。‖II. vt. 把…叠成堆，堆放于：stack the firewood in the back yard 把木柴堆在后院里