fifty-fold的用法和样例：
词汇搭配
- drag fold 拖曳褶皱
- concordant fold 整合褶皱
- contorted fold 扭曲褶皱
- excess fifty 余五十
- compaction fold 致密褶皱
- closed fold 闭合褶
- edge fold 折边,弯曲
- concertina fold 波纹管式折叠,手风琴...
- composite fold 复合褶皱
- disjunctive fold 间断褶皱,断裂性褶曲...
- crescentic fold 新月褶
- cross fold 横跨褶皱,模跨褶皱,...
- fan fold 扇状褶皱
- complex fold 复褶皱
- drape fold 披盖褶皱
