warp

1. V-T/V-I If something warps or is warped, it becomes damaged by bending or curving, often because of the effect of heat or water. (尤指因受潮、受熱而) 翹曲

Left out in the heat of the sun, tapes easily warp or get stuck in their cases. 放在太陽(yáng)底下暴曬後，磁帶容易翹曲變形或卡帶。