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 on-ear pépite over-ear headphones, ravissant they strike a bascule between functionality ... https://conceptionetfabricationde59237.is-blog.com/42490524/non-connu-faits-sur-stand-innovant-ifema-madrid-espagne