你不能这样到处乱窜，擅自占用别人的地产。You can't simply wander around squatting on other people's property.一群母鸡四处乱窜，搅起一团尘土。The hens darted away on all sides, raising a cloud of dust.年轻人正在这个地方四处乱窜.Young people are running around a...
碟形卫星天线的定向性非常强。Dish aerials are highly directional.你一定向他吹 —— ”You must have bragged to him - "那些在平面上定向的氢叫做平伏氢.Those that are aligned in the place are called equatorial hydrogens....
种牛痘疫苗可以控制住天花.Smallpox can be contained by vaccination.种牛痘可以免患天花.Vaccination immunizes people against smallpox.种牛痘防天花是有效的.Vaccination for smallpox is efficacious....