Cone of acute vision 明晰视锥角
Because boys generally have more acute vision, learn best through touch, and are physically more active, they need to be given "hands-on" lessons where they are allowed to walk around.
因为男孩一般有更敏锐的视觉，通过触觉学习效果最好，而且身体更活跃，所以需要给他们提供 "实践 "课程，让他们四处走动。
Similar mutations accreted, with the result that virtually all modern hawks have astonishingly acute vision by human standards.
类似的进化不断继续，其结果是，几乎所有的现代老鹰都具有令人惊讶的、胜于人类的敏锐视力。
It requires acute vision to be a competent detective.
做一个合格的行侦人员一定要有敏锐的鉴察能力。
应用推荐