untread
vt. 折回；退回
第三人称单数 untreads
现在分词 untreading
过去式 untreaded或untrod
过去分词 untreaded或untrodden或untrod
例句
Because the two springs can synchronously link and untread the first and the second slide members, the electronic card which is inserted in an electronic card connector can be pushed out.
借由两弹簧同步地联动退移该第一、二滑动构件，以顶出插置于电子卡连接器中的电子卡。
