backsack

发音

US /ˈbækˌsæk/
UK /ˈbækˌsæk/

词形变化

backsacks 复数 backsacks

释义与例句

n.
  1. 1.

    A backpack.

  2. 2.

    The back of the testicles.

    俚语 粗俗

词源

Compound of back + sack, possibly influenced by backpack.

来源：wiktionary