verb折叠;可折叠;双臂交叉于胸前
noun褶痕,褶线
verbto bend something so that one part is on top of another part
verbto bend something so that it becomes smaller and can be carried or stored more easily; to be able to bend in this way
verbIf you fold your arms, you cross them in front of your chest
nouna line that is made when you bend cloth or paper