题目内容：

下列公共标志用英语怎么说?
勿折花草————
来宾登记————
请勿践踏草坪————
请随手关门————
勿乱扔废弃物————

优质解答

勿折花草：Do not ruin trees and flowers.
来宾登记:Visitor registration.
请勿践踏草坪:Do not step into the lawn.
请随手关门:Please close the door behind you.
勿乱扔废弃物:Do not leave trashes.