dēng / shān / bāo / de / xiōng / dài / kòu / shì / ní / lóng / dā / kòu / shè / jì / kě / yǐ / kuài / sù / tiáo / jié / sōng / jǐn

登山包的胸带扣是尼龙搭扣设计，可以快速调节松紧。

The chest buckle on the hiking backpack is designed with velcro, allowing quick adjustment of tightness.