concentrate upon短语⁸⁴³²⁰⁺⁸ 基本例句 adj.集中在专心于 You get what you concentrate upon. There is no other main rule. 你得到你所专注的东西。别无其他法则。 sethrevolutions Your whole attention should be pointed at the object you have chosen to concentrate upon. 您的整个应注意指出，在反对您所选择的集中。 bokee