Upgrader
质量改善装置；升级程序
✅ 同义词
🗣️ 情景例句
How'd it go?
怎么样啦？
I meet the boy whose aunt is an accountant.
我遇到那个男孩的姑妈是会计。
Since that time, racing drivers have reached speeds over 600 miles an hour.
从那时以来，赛车选手已达到每小时600英里的速度。