can1<pt could>[美 kæn, 英 kan, kən]动词情态动词When can means to be capable of or to be allowed to, it is translated by poder:he can't eat no puede comer; can you come out tonight? ¿puedes salir esta noche? When can means to know how to, it is translated by saber:can you swim? ¿sabes nadar?; she can already read and write ya sabe leer y escribir. When can is used with a verb of perception such as see, hear, or feel, it is often not translated: can you see her from here? ¿la ves desde aquí?; she couldn't feel anything no sentía nada.
But heavy rain can turn to torrents sluicing off sun-baked desert or pavement into miles of flood channels constructed to protect homes and businesses.
In an obstacle race, competitors are timed and held to a strict standard of performance; when a task can not be completed, penalty exercises such as burpees are assigned.