A behaviorist, B. F. Skinner , sees humans as beings whose behavior is almost completely shaped by their surroundings. 一位名叫B. F. 斯金纳的行为主义者认为,人的行为模式完全是由周围环境塑造的.
In land animals, saliva contains mucus, and provides lubrication for food in the alimentary canal.陆上动物的唾液内有粘液, 并对消化道内的食物起着润滑作用.In metal lubrication two distinct regions are recognized: boundary and hydrodynamic.在金属的润滑作用中...
...a richly illustrated introduction to the art of the Islamic world.对伊斯兰国家艺术的配有精美插图的介绍We are already doing the groundwork for the introduction of the scheme next year.我们已经在为明年施行计划做些基本的准备工作。The camera has undergone only ...
一匹黑白相间的花马.A black white horse.长花马唐、匍匐翦股颖新品系色泽深,根系活力较高.Digitaria longiflora and new strain Agrsostis stolonifera had dark green color and high root vigor....
The menu changes weekly and usually includes a vegan option...菜单每周都有变化，通常包含可供严格的素食者选择的菜肴。He was a poet, an anarchist and a vegan.他是一个诗人、无政府主义者和纯素食主义者。I'd been vegan for a long time.我坚持严格吃素已很久了。It's basically a ...