恰到好处: it's just perfect, it's just right...
实物: material object, concrete object, original object, in kind, object for practical use, definite thing, reality, matter (physics)...
步行: to go on foot, to walk...
枪: gun, rifle, spear...
模拟: imitation, to simulate, to imitate, analog (device, as opposed to digital)...
高等: high-level, higher (animals, education etc), advanced (math etc)...
铁路: railroad, railway...
呈现: to appear, to emerge, to present (a certain appearance), to demonstrate...
厂商: manufacturer, producer...
肥沃: fertile...
