• 词汇精选:obstruct的用法和辨析 一、详细释义:v.阻止,阻挠,妨碍[I,T]例句:Eventhousandsofmountainsandriverscannotobstructourclosefriendship.即使相隔千山万水,不能阻挡我们的深情厚谊。例句:TheauthoritiesareobstructingaUnitedNationsinvestigation......