Performance degradation
[计] 性能退化
🧩 词语组成解析
🗣️ 情景例句
These items shouldn't be difficult to come by
这些东西应该是不难弄到的，
I'm pressed for money.
我苦于没钱。
It seems that man was making a real effort to understand the seasons 20,000 years earlier than has been supposed.
看来人类早就致力于探索四季变迁了，比人们想像的要早20，000年。