常見例句用作名詞 (n.)It was invented by students Matthias Hahnen and Robert Doerr for a project at the University of Saarbruecken in southwest Germany.這是德國(guó)西南部薩爾佈呂肯大學(xué)的學(xué)生哈南與多爾爲(wèi)學(xué)校一項(xiàng)研究計(jì)劃而發(fā)明的。 返回 Doerr