螺栓: bolt; screw bolt; threaded bolt 短语和例子连接螺栓 binder bolt; connecting bolt; 地脚螺栓 foundation bolt; 螺栓保险 bolt-lock; 螺栓柄 grip of bolt
亮: Ⅰ形容词1.(光线强; 明亮) bright; light 短语和例子敞亮 light and spacious; 地板擦得真亮。 the floor has been scrubbed clean and shiny. 那个灯泡很亮。 that electric bulb is very bright. 这个房间非常亮。 this room is very light.2