foldvt.包；折叠；交叉；拥抱vi.翻倍；屈服；倒闭n.折层；折痕fold belt造山带,褶皱带fold seam褶皱煤层fold line折线,折叠线fold axis褶皱轴fold hill褶皱丘陵fold jack折叠机构动作筒fold zone褶皱带fold yard冬季放牧用牧草fold downvt.折起来foldamers非天然折叠体