Upgrader
质量改善装置；升级程序
✅ 同义词
🗣️ 情景例句
Good morning, sir. May I help you?
早安，先生。能为您服务吗？
Whom the gods love die young.
好人不长寿。
Yes, it is, she said. And who are you, anyway?
不，是我的名字啊，她说，而你到底是谁呀？"