Learning software
[计] 学习软件
🧩 词语组成解析
🗣️ 情景例句
Did you know
你知道
If he doesn't pay, who will?
如果他不，谁要付账？
And so do you, if you're afraid, and if the earthquake's a big one.
假如是强地震，如果你害怕，你也会抖动的。