用“picket post”造句大全，picket post造句
Onlyapicketposthalfamileout,ontherailroad,andasinglesentinelatthisendofthebridge.ThefactsthatconceptofXunwasdevelopedwiththedevelopmentoftheguardanddefensesysteminthemiddleandlateMingDynastyandpicketp...
用“picket line”造句大全，picket line造句
Don'tcrossthepicketline!Firecrewsrefusedtocrossthepicketline.Theminersaretryingtogetfactoryworkerstojointhemonthepicketline.Noonetriedtocrossthepicketlines.Therearepicketlinesallovertheplace.Indesper...