Upgrader
质量改善装置；升级程序
✅ 同义词
🗣️ 情景例句
I strongly agree.
我绝对同意。
A borrowed cloak does not keep one warm.
借来的斗篷不暖身。
the first group began to show some personality disorders while the others seemed more or less unaffected.
结果，第一组人开始出现性格失常，而第二组人似乎没受什么影响。