s synchrony
年代同步
以上为机器翻译结果，长、整句建议使用 人工翻译 。
All of them were straining to keep their backs erect, though none fully succeeded, yet their legs executed the dance's sideward steps in perfect, graceful synchrony.
CNN: Dancing (with abandon) into old age
应用推荐
模块上移
模块下移
不移动