“参加社交活动”常见的英文表达有 attend social events 或 participate in social activities。
attend social events：更侧重于“出席、到场”参加社交场合的活动。
例句：She often attends social events to expand her network.（她经常参加社交活动以拓展人脉。）
participate in social activities：强调“参与、加入”到社交活动中，突出主动性和参与感。
例句：We should encourage teenagers to participate in social activities to improve their communication skills.（我们应该鼓励青少年参加社交活动，以提高他们的沟通能力。 ）