Upgraded
a. 更新的；提升的；加固的
✅ 同义词
🗣️ 情景例句
I'm not really sure.
我不是太有把握。
You're bound to feel that way at first, I guess.
我想，一开始都会有这样的感觉。
He fell behind with his work.
他工作落后了。