Plotkin
[人名] 普洛特金
🗣️ 情景例句
and we probably won't be able to
而我们也许也一样不能
An old dog will learn no new tricks.
老家夥学不出新名堂。
Speculations about is nature have been going on for literally thousands of years,
人们对睡眠作用的种种猜测，确实有数千年之久。