Pgup
n. 页上移键(Page Up的缩写)
🗣️ 情景例句
If you need any help, I'll be ust over here.
如果你需要任何帮助，我都随时待命。
It seems he's weak.
看起来他好像很虚弱。
who put his questions to nature instead of to the ancients,
他向自然界而不是向古人提出问题，