The model glider looks fine,although the only way we can really put it to the test is to see if it will fly.
滑翔机模型看上去很好,但是真正能检验它的唯一办法是看它是否能飞。
英语百科
Model aircraft
A model aircraft is a small sized unmanned aircraft or, in the case of a scale model, a replica of an existing or imaginary aircraft. Model aircraft are divided into two basic groups: flying and non-flying. Non-flying models are also termed static, display, or shelf models.