✏️ 实用表达
1️⃣ 发布最新的折叠手机 → unveil its latest folding phones
2️⃣ 折叠手机 → foldable phones
3️⃣ 高端机型 → premium models
4️⃣ 它们的成功与否关系重大 → there is a lot riding on their success
5️⃣ 失去了智能手机制造商榜首的地位 → lose its crown as the top smartphone maker
6️⃣ 日益激烈的竞争 → mounting competition
7️⃣ 中国竞争对手 → Chinese rivals
8️⃣ 支柱芯片业务 → mainstay chip business
9️⃣ 增添高端光泽 → help give a premium sheen
🔟 小众产品 → a niche product
