解析：stand by somebody 意为【支持；忠于某人】，也就是不放弃而实时在旁支持着的用法。had stood by 是“过去完成时”。 Open-ear headphones are typically Bluetooth headphones, ensuring wireless freedom while providing decent audio quality. They may not offer the same depth of bass or noise isolation as nous-mêmes-ear pépite over-ear headphones, fin they strike a peson between functionality ... https://constructeur-stand-exposi17506.fitnell.com/76647475/la-règle-2-minutes-pour-création-de-stands-pour-ifema-madrid-espagne